Below are some of the questions collated for easy reference of CISA aspirants. Please note that these questions are easily available from the net and collated domain-wise for easy reference.
CISA Question Bank-1
1. In an audit of an inventory application, which approach would provide the BEST evidence that purchase orders are valid?
A. Testing whether inappropriate personnel can change application parameters B. Tracing purchase orders to a computer listing C. Comparing receiving reports to purchase order details D. Reviewing the application documentation
The correct answer is: A. Testing whether inappropriate personnel can change application parameters Explanation: To determine purchase order validity, testing access controls will provide the best evidence. Choices B and C are based on after-the-fact approaches, and choice D does not serve the purpose because what is in the system documentation may not be the same as what is happening. ...............................................................................................................................
2. The extent to which data will be collected during an IS audit should be determined based on the:
A. availability of critical and required information. B. auditor's familiarity with the circumstances. C. auditee's ability to find relevant evidence. D. purpose and scope of the audit being done.
The correct answer is: D. purpose and scope of the audit being done. Explanation: The extent to which data will be collected during an IS audit should be related directly to the scope and purpose of the audit. An audit with a narrow purpose and scope would result most likely in less data collection, than an audit with a wider purpose and scope. The scope of an IS audit should not be constrained by the ease of obtaining the information or by the auditor's familiarity with the area being audited. Collecting all the required evidence is a required element of an IS audit, and the scope of the audit should not be limited by the auditee's ability to find relevant evidence. ...............................................................................................................................
3. The responsibility, authority and accountability of the IS audit function is appropriately documented in an audit charter and MUST be:
A. approved by the highest level of management. B. approved by audit department management. C. approved by user department management. D. changed every year before commencement of IS audits.
The correct answer is: A. approved by the highest level of management.
Explanation: The ISACA IS Auditing Standard S1 Audit Charter in section 03 on responsibility, authority and accountability states, "The responsibility, authority and accountability of the information systems audit function are to be appropriately documented in an audit charter or engagement letter." Choices B and C are incorrect because the audit charter should be approved by the highest level of management, not merely by the IS audit department or the user department. The resulting planning methodologies should be reviewed and approved by senior management and by the audit committee. Choice D is incorrect because the audit charter, once established, is not routinely revised and should be changed only if the change can be, and is, thoroughly justified. ...............................................................................................................................
4. A key element in a risk analysis is:
A. audit planning. B. controls. C. vulnerabilities. D. liabilities.
The correct answer is: C. vulnerabilities. Explanation: Vulnerabilities are a key element in the conduct of a risk analysis. Audit planning consists of short- and long-term processes that may detect threats to the information assets. Controls mitigate risks associated with specific threats. Liabilities are part of business and are not inherently a risk. ...............................................................................................................................
5. An IS auditor discovers evidence of fraud perpetrated with a manager's user id. The manager had written the password, allocated by the system administrator, inside his/her desk drawer. The IS auditor should conclude that the:
A. manager's assistant perpetrated the fraud. B. perpetrator cannot be established beyond doubt. C. fraud must have been perpetrated by the manager. D. system administrator perpetrated the fraud.
The correct answer is: B. perpetrator cannot be established beyond doubt. Explanation: The password control weaknesses means that any of the other three options could be true. Password security would normally identify the perpetrator. In this case, it does not establish guilt beyond doubt. ...............................................................................................................................
6. During a review of a customer master file, an IS auditor discovered numerous customer name duplications arising from variations in customer first names. To determine the extent of the duplication, the IS auditor would use:
A. test data to validate data input. B. test data to determine system sort capabilities. C. generalized audit software to search for address field duplications. D. generalized audit software to search for account field duplications.
The correct answer is: C. generalized audit software to search for address field duplications. Explanation: Since the name is not the same (due to name variations), one method to detect duplications would be to compare other common fields, such as addresses. Subsequent review to determine common customer names at these addresses could then be conducted. Searching for duplicate account numbers would not likely find duplications, since customers would most likely have different account numbers for each variation. Test data would not be useful to detect the extent of any data characteristic, but simply to determine how the data were processed. ...............................................................................................................................
7. The IS department of an organization wants to ensure that the computer files used in the information processing facility are adequately backed up to allow for proper recovery. This is a(n):
A. control procedure. B. control objective. C. corrective control. D. operational control.
The correct answer is: B. control objective. Explanation: IS control objectives specify the minimum set of controls to ensure efficiency and effectiveness in the operations and functions within an organization. Control procedures are developed to provide reasonable assurance that specific objectives will be achieved. A corrective control is a category of controls that aims to minimize the threat and/or remedy problems that were not prevented or were not initially detected. Operational controls address the day-to-day operational functions and activities, and aid in ensuring that the operations are meeting the desired business objectives. ...............................................................................................................................
8. During a security audit of IT processes, an IS auditor found that there were no documented security procedures. The IS auditor should:
A. create the procedures document. B. terminate the audit. C. conduct compliance testing. D. identify and evaluate existing practices.
The correct answer is: D. identify and evaluate existing practices.
Explanation: One of the main objectives of an audit is to identify potential risks; therefore, the most proactive approach would be to identify and evaluate the existing security practices being followed by the organization. IS auditors should not prepare documentation, and doing so could jeopardize their independence. Terminating the audit may prevent achieving one of the basic audit objectives, i.e., identification of potential risks. Since there are no documented procedures, there is no basis against which to test compliance. ...............................................................................................................................
9. When implementing continuous monitoring systems, an IS auditor's first step is to identify:
A. reasonable target thresholds. B. high-risk areas within the organization. C. the location and format of output files. D. applications that provide the highest potential payback.
The correct answer is: B. high-risk areas within the organization. Explanation: The first and most critical step in the process is to identify high-risk areas within the organization. Business department managers and senior executives are in the best positions to offer insight into these areas. Once potential areas of implementation have been identified, an assessment of potential impact should be completed to identify applications that provide the highest potential payback to the organization. At this point, tests and reasonable target thresholds should be determined prior to programming. During systems development, the location and format of the output files generated by the monitoring programs should be defined. ...............................................................................................................................
10. In an IS audit of several critical servers, the IS auditor wants to analyze audit trails to discover potential anomalies in user or system behavior. Which of the following tools is MOST suitable for performing that task?
A. CASE tools B. Embedded data collection tools C. Heuristic scanning tools D. Trend/variance detection tools
The correct answer is: D. Trend/variance detection tools Explanation: Trend/variance detection tools look for anomalies in user or system behavior, for example, determining whether the numbers for prenumbered documents are sequential or increasing. CASE tools are used to assist software development. Embedded (audit) data collection software is used for sampling and to provide production statistics. Heuristic scanning tools can be used to scan for viruses to indicate possible infected code. ...............................................................................................................................
11. An IS auditor should use statistical sampling and not judgment (nonstatistical) sampling, when:
A. the probability of error must be objectively quantified. B. the auditor wishes to avoid sampling risk. C. generalized audit software is unavailable. D. the tolerable error rate cannot be determined.
The correct answer is: A. the probability of error must be objectively quantified. Explanation: Given an expected error rate and confidence level, statistical sampling is an objective method of sampling, which helps an IS auditor determine the sample size and quantify the probability of error (confidence coefficient). Choice B is incorrect because sampling risk is the risk of a sample not being representative of the population. This risk exists for both judgment and statistical samples. Choice C is incorrect because statistical sampling does not require the use of generalized audit software. Choice D is incorrect because the tolerable error rate must be predetermined for both judgment and statistical sampling. ...............................................................................................................................
12. When developing a risk-based audit strategy, an IS auditor should conduct a risk assessment to ensure that:
A. controls needed to mitigate risks are in place. B. vulnerabilities and threats are identified. C. audit risks are considered. D. a gap analysis is appropriate.
The correct answer is: B. vulnerabilities and threats are identified. Explanation: In developing a risk-based audit strategy, it is critical that the risks and vulnerabilities be understood. This will determine the areas to be audited and the extent of coverage. Understanding whether appropriate controls required to mitigate risks are in place is a resultant effect of an audit. Audit risks are inherent aspects of auditing, are directly related to the audit process and are not relevant to the risk analysis of the environment to be audited. Gap analysis would normally be done to compare the actual state to an expected or desirable state. ...............................................................................................................................
13. The vice president of human resources has requested an audit to identify payroll overpayments for the previous year. Which would be the BEST audit technique to use in this situation?
A. Test data B. Generalized audit software C. Integrated test facility D. Embedded audit module
The correct answer is: B. Generalized audit software
Explanation: Generalized audit software features include mathematical computations, stratification, statistical analysis, sequence checking, duplicate checking and recomputations. The IS auditor, using generalized audit software, could design appropriate tests to recompute the payroll and, thereby, determine if there were overpayments and to whom they were made. Test data would test for the existence of controls that might prevent overpayments, but it would not detect specific, previous miscalculations. Neither an integrated test facility nor an embedded audit module would detect errors for a previous period. ...............................................................................................................................
14. Which of the following would be the BEST population to take a sample from when testing program changes?
A. Test library listings B. Source program listings C. Program change requests D. Production library listings
The correct answer is: D. Production library listings Explanation: The best source from which to draw any sample or test of system information is the automated system. The production libraries represent executables that are approved and authorized to process organizational data. Source program listings would be time intensive. Program change requests are the documents used to initiate change; there is no guarantee that the request has been completed for all changes. Test library listings do not represent the approved and authorized executables. ...............................................................................................................................
15. Which of the following normally would be the MOST reliable evidence for an auditor?
A. A confirmation letter received from a third party verifying an account balance B. Assurance from line management that an application is working as designed C. Trend data obtained from World Wide Web (Internet) sources D. Ratio analysis developed by the IS auditor from reports supplied by line management
The correct answer is: A. A confirmation letter received from a third party verifying an account balance Explanation: Evidence obtained from independent third parties almost always is considered to be the most reliable. Choices B, C and D would not be considered as reliable. ...............................................................................................................................
16. During a review of the controls over the process of defining IT service levels, an IS auditor would MOST likely interview the:
A. systems programmer. B. legal staff. C. business unit manager. D. application programmer.
The correct answer is: C. business unit manager. Explanation: Understanding the business requirements is key in defining the service levels. While each of the other entities listed may provide some definition, the best choice here is the business unit manager because of this person's knowledge of the requirements of the organization. ...............................................................................................................................
17. In the course of performing a risk analysis, an IS auditor has identified threats and potential impacts. Next, an IS auditor should:
A. identify and assess the risk assessment process used by management. B. identify information assets and the underlying systems. C. disclose the threats and impacts to management. D. identify and evaluate the existing controls.
The correct answer is: D. identify and evaluate the existing controls. Explanation: It is important for an IS auditor to identify and evaluate the existing controls and security once the potential threats and possible impacts are identified. Upon completion of an audit an IS auditor should describe and discuss with management the threats and potential impacts on the assets. ...............................................................................................................................
18. A PRIMARY benefit derived from an organization employing control self-assessment (CSA) techniques is that it:
A can identify high-risk areas that might need a detailed review later. B. allows IS auditors to independently assess risk. C. can be used as a replacement for traditional audits. D. allows management to relinquish responsibility for control.
The correct answer is: A can identify high-risk areas that might need a detailed review later. Explanation: CSA is predicated on the review of high-risk areas that either need immediate attention or a more thorough review at a later date. Answer B is incorrect, because CSA requires the involvement of auditors and line management. What occurs is that the internal audit function shifts some of the control monitoring responsibilities to the functional areas. Answer C is incorrect because CSA is not a replacement for traditional audits. CSA is not intended to replace audit's responsibilities, but to enhance them. Answer D is incorrect,
because CSA does not allow management to relinquish its responsibility for control. ...............................................................................................................................
19. Senior management has requested that an IS auditor assist the departmental management in the implementation of necessary controls. The IS auditor should:
A. refuse the assignment since it is not the role of the IS auditor. B. inform management of his/her inability to conduct future audits. C. perform the assignment and future audits with due professional care. D. obtain the approval of user management to perform the implementation and follow-up.
The correct answer is: B. inform management of his/her inability to conduct future audits. Explanation: In this situation the IS auditor should inform management of the impairment of independence in conducting further audits in the auditee area. An IS auditor can perform nonaudit assignments where the IS auditor's expertise can be of use to management; however, by performing the nonaudit assignment, the IS auditor cannot conduct the future audits of the auditee as his/her independence may be compromised. However, the independence of the IS auditor will not be impaired when suggesting/recommending controls to the auditee after he audit. ...............................................................................................................................
20. Which of the following is the MOST likely reason why e-mail systems have become a useful source of evidence for litigation?
A. Multiple cycles of backup files remain available. B. Access controls establish accountability for e-mail activity. C. Data classification regulates what information should be communicated via e-mail. D. Within the enterprise, a clear policy for using e-mail ensures that evidence is available.
The correct answer is: A. Multiple cycles of backup files remain available. Explanation: Backup files containing documents that supposedly have been deleted could be recovered from these files. Access controls may help establish accountability for the issuance of a particular document, but this does not provide evidence of the e-mail. Data classification standards may be in place with regards to what should be communicated via e-mail, but the creation of the policy does not provide the information required for litigation purposes. ...............................................................................................................................
21. Which of the following is a benefit of a risk-based approach to audit planning? Audit:
A. scheduling may be performed months in advance. B. budgets are more likely to be met by the IS audit staff. C. staff will be exposed to a variety of technologies. D. resources are allocated to the areas of highest concern.
The correct answer is: D. resources are allocated to the areas of highest concern. Explanation: The risk-based approach is designed to ensure audit time is spent on the areas of highest risk. The development of an audit schedule is not addressed by a risk-based approach. Audit schedules may be prepared months in advance using various scheduling methods. A risk approach does not have a direct correlation to the audit staff meeting time budgets on a particular audit, nor does it necessarily mean a wider variety of audits will be performed in a given year. ...............................................................................................................................
22. An audit charter should:
A. be dynamic and change often to coincide with the changing nature of technology and the audit profession. B. clearly state audit objectives for and the delegation of authority to the maintenance and review of internal controls. C. document the audit procedures designed to achieve the planned audit objectives. D. outline the overall authority, scope and responsibilities of the audit function.
The correct answer is: D. outline the overall authority, scope and responsibilities of the audit function. Explanation: An audit charter should state management's objectives for and delegation of authority to IS audit. This charter should not significantly change over time and should be approved at the highest level of management. An audit charter would not be at a detailed level and, therefore, would not include specific audit objectives or procedures. ...............................................................................................................................
23. An IS auditor is evaluating a corporate network for a possible penetration by employees. Which of the following findings should give the IS auditor the GREATEST concern?
A. There are a number of external modems connected to the network. B. Users can install software on their desktops. C. Network monitoring is very limited. D. Many user ids have identical passwords.
The correct answer is: D. Many user ids have identical passwords. Explanation: Exploitation of a known user id and password requires minimum technical knowledge and exposes the network resources to exploitation. The technical barrier is low and the impact can be very high; therefore, the fact that many user ids have identical passwords represents the greatest threat. External modems represent a security risk, but exploitation still depends on the use of a valid user account. While the impact of users installing software on their desktops can be high (for example, due to the installation of Trojans or key-logging programs), the likelihood is not high due to the level of technical knowledge
required to successfully penetrate the network. Although network monitoring can be a useful detective control, it will only detect abuse of user accounts in special circumstances and is, therefore, not a first line of defense. ...............................................................................................................................
24. While planning an audit, an assessment of risk should be made to provide:
A. reasonable assurance that the audit will cover material items. B. definite assurance that material items will be covered during the audit work. C. reasonable assurance that all items will be covered by the audit. D. sufficient assurance that all items will be covered during the audit work.
The correct answer is: A. reasonable assurance that the audit will cover material items. Explanation: The ISACA IS Auditing Guideline G15 on planning the IS audit states, "An assessment of risk should be made to provide reasonable assurance that material items will be adequately covered during the audit work. This assessment should identify areas with a relatively high risk of the existence of material problems." Definite assurance that material items will be covered during the audit work is an impractical proposition. Reasonable assurance that all items will be covered during the audit work is not the correct answer, as material items need to be covered, not all items. ...............................................................................................................................
25. To identify the value of inventory that has been kept for more than eight weeks, an IS auditor would MOST likely use:
A. test data. B. statistical sampling. C. an integrated test facility. D. generalized audit software.
The correct answer is: D. generalized audit software. Explanation: Generalized audit software will facilitate reviewing the entire inventory file to look for those items that meet the selection criteria. Generalized audit software provides direct access to data and provides for features of computation, stratification, etc. Test data are used to verify programs, but will not confirm anything about the transactions in question. The use of statistical sampling methods is not intended to select specific conditions, but is intended to select samples from a file on a random basis. In this case, the IS auditor would want to check all of the items that meet the criteria and not just a sample of them. An integrated test facility allows the IS auditor to test transactions through the production system. ...............................................................................................................................
26. An integrated test facility is considered a useful audit tool because it:
A. is a cost-efficient approach to auditing application controls. B. enables the financial and IS auditors to integrate their audit tests.
C. compares processing output with independently calculated data. D. provides the IS auditor with a tool to analyze a large range of information.
The correct answer is: C. compares processing output with independently calculated data. Explanation: An integrated test facility is considered a useful audit tool because it uses the same programs to compare processing using independently calculated data. This involves setting up dummy entities on an application system and processing test or production data against the entity as a means of verifying processing accuracy. ...............................................................................................................................
27. The decisions and actions of an IS auditor are MOST likely to affect which of the following risks?
A. Inherent B. Detection C. Control D. Business
The correct answer is: B. Detection Explanation: Detection risks are directly affected by the auditor's selection of audit procedures and techniques. Inherent risks usually are not affected by the IS auditor. Control risks are controlled by the actions of the company's management. Business risks are not affected by the IS auditor. ...............................................................................................................................
28. Data flow diagrams are used by IS auditors to:
A. order data hierarchically. B. highlight high-level data definitions. C. graphically summarize data paths and storage. D. portray step-by-step details of data generation.
The correct answer is: C. graphically summarize data paths and storage. Explanation: Data flow diagrams are used as aids to graph or chart data flow and storage. They trace the data from its origination to destination, highlighting the paths and storage of data. They do not order data in any hierarchy. The flow of the data will not necessarily match any hierarchy or data generation order. ...............................................................................................................................
29. Reviewing management's long-term strategic plans helps the IS auditor:
A. gain an understanding of an organization's goals and objectives. B. test the enterprise's internal controls. C. assess the organization's reliance on information systems. D. determine the number of audit resources needed.
The correct answer is: A. gain an understanding of an organization's goals and objectives. Explanation: Strategic planning sets corporate or departmental objectives into motion. Strategic planning is time- and project-oriented, but must also address and help determine priorities to meet business needs. Reviewing long-term strategic plans would not achieve the objectives expressed by the other choices. ...............................................................................................................................
30. When evaluating the collective effect of preventive, detective or corrective controls within a process, an IS auditor should be aware:
A. of the point at which controls are exercised as data flow through the system. B. that only preventive and detective controls are relevant. C. that corrective controls can only be regarded as compensating. D. that classification allows an IS auditor to determine which controls are missing.
The correct answer is: A. of the point at which controls are exercised as data flow through the system. Explanation: An IS auditor should focus on when controls are exercised as data flow through a computer system. Choice B is incorrect since corrective controls may also be relevant. Choice C is incorrect since corrective controls remove or reduce the effects of errors or irregularities and are exclusively regarded as compensating controls. Choice D is incorrect and irrelevant since the existence and function of controls is important, not the classification. ...............................................................................................................................
31. The risk of an IS auditor using an inadequate test procedure and concluding that material errors do not exist when, in fact, they do is an example of:
A. inherent risk. B. control risk. C. detection risk. D. audit risk.
The correct answer is: C. detection risk. Explanation: This is an example of detection risk. ...............................................................................................................................
32. The PRIMARY purpose of an audit charter is to:
A. document the audit process used by the enterprise. B. formally document the audit department's plan of action. C. document a code of professional conduct for the auditor. D. describe the authority and responsibilities of the audit department.
The correct answer is: D. describe the authority and responsibilities of the audit department. Explanation: The audit charter typically sets out the role and responsibility of the internal audit department. It should state management's objectives for and delegation of authority to the audit department. It is rarely changed and does not contain the audit plan or audit process, which is usually part of annual audit planning, nor does it describe a code of professional conduct, since such conduct is set by the profession and not by management. ...............................................................................................................................
33. An IS auditor has evaluated the controls for the integrity of the data in a financial application. Which of the following findings would be the MOST significant?
A. The application owner was unaware of several changes applied to the application by the IT department. B. The application data are backed up only once a week. C. The application development documentation is incomplete. D. Information processing facilities are not protected by appropriate fire detection systems.
The correct answer is: A. The application owner was unaware of several changes applied to the application by the IT department. Explanation: Choice A is the most significant finding as it directly affects the integrity of the application's data and is evidence of an inadequate change control process and incorrect access rights to the processing environment. Although backing up the application data only once a week is a finding, it does not affect the integrity of the data in the system. Incomplete application development documentation does not affect integrity of the data. The lack of appropriate fire detection systems does not affect the integrity of the data but may affect the storage of the data. ...............................................................................................................................
34. Overall business risk for a particular threat can be expressed as:
A. a product of the probability and magnitude of the impact if a threat successfully exploits a vulnerability. B. the magnitude of the impact should a threat source successfully exploit the vulnerability. C. the likelihood of a given threat source exploiting a given vulnerability. D. the collective judgment of the risk assessment team.
The correct answer is: A. a product of the probability and magnitude of the impact if a threat successfully exploits a vulnerability.
Explanation: Choice A takes into consideration the likelihood and magnitude of the impact and provides the best measure of the risk to an asset. Choice B provides only the likelihood of a threat exploiting a vulnerability in the asset but does not provide the magnitude of the possible damage to the asset. Similarly, choice C considers only the magnitude of the damage and not the possibility of a threat exploiting a vulnerability. Choice D defines the risk on an arbitrary basis and is not suitable for a scientific risk management process. ...............................................................................................................................
35. Which one of the following could an IS auditor use to validate the effectiveness of edit and validation routines?
A. Domain integrity test B. Relational integrity test C. Referential integrity test D. Parity checks
The correct answer is: A. Domain integrity test Explanation: Domain integrity testing is aimed at verifying that the data conform to definitions, i.e., the data items are all in the correct domains. The major objective of this exercise is to verify that the edit and validation routines are working satisfactorily. Relational integrity tests are performed at the record level and usually involve calculating and verifying various calculated fields, such as control totals. Referential integrity tests involve ensuring that all references to a primary key from another file actually exist in their original file. A parity check is a bit added to each character prior to transmission. The parity bit is a function of the bits making up the character. The recipient performs the same function on the received character and compares the result to the transmitted parity bit. If it is different, an error is assumed. ...............................................................................................................................
36. An IS auditor reviews an organizational chart PRIMARILY for:
A. an understanding of workflows. B. investigating various communication channels. C. understanding the responsibilities and authority of individuals. D. investigating the network connected to different employees.
The correct answer is: C. understanding the responsibilities and authority of individuals. Explanation: An organizational chart provides information about the responsibilities and authority of individuals in the organization. This helps the IS auditor to know if there is a proper segregation of functions. A workflow chart would provide information about the roles of different employees. A network diagram will provide information about the usage of various communication channels and will indicate the connection of users to the network. ...............................................................................................................................
37. An IS auditor is evaluating management's risk assessment of information systems. The IS auditor should FIRST review:
A. the controls already in place. B. the effectiveness of the controls in place. C. the mechanism for monitoring the risks related to the assets. D. the threats/vulnerabilities affecting the assets.
The correct answer is: D. the threats/vulnerabilities affecting the assets. Explanation: One of the key factors to be considered while assessing the risks related to the use of various information systems is the threats and vulnerabilities affecting the assets. The risks related to the use of information assets should be evaluated in isolation from the installed controls. Similarly, the effectiveness of the controls should be considered during the risk mitigation stage and not during the risk assessment phase. A mechanism to continuously monitor the risks related to assets should be put in place during the risk monitoring function that follows the risk assessment phase. ...............................................................................................................................
38. Which of the following is an objective of a control self-assessment (CSA) program?
A. Concentration on areas of high risk B. Replacement of audit responsibilities C. Completion of control questionnaires D. Collaborative facilitative workshops
The correct answer is: A. Concentration on areas of high risk Explanation: The objectives of CSA programs include education for line management in control responsibility and monitoring and concentration by all on areas of high risk. The objectives of CSA programs include the enhancement of audit responsibilities, not replacement of audit responsibilities. Choices C and D are tools of CSA, not objectives. ...............................................................................................................................
39. Which of the following steps would an IS auditor normally perform FIRST in a data center security review?
A. Evaluate physical access test results. B. Determine the risks/threats to the data center site. C. Review business continuity procedures. D. Test for evidence of physical access at suspect locations.
The correct answer is: B. Determine the risks/threats to the data center site.
Explanation: During planning, the IS auditor should get an overview of the functions being audited and evaluate the audit and business risks. Choices A and D are part of the audit fieldwork process that occurs subsequent to this planning and preparation. Choice C is not part of a security review. ...............................................................................................................................
40. The traditional role of an IS auditor in a control self-assessment (CSA) should be that of:
A. facilitator. B. manager. C. partner. D. stakeholder.
The correct answer is: A. facilitator. Explanation: When CSA programs are established, IS auditors become internal control professionals and assessment facilitators. IS auditors are the facilitators and the client (management and staff) is the participant in the CSA process. During a CSA workshop, instead of the IS auditor performing detailed audit procedures, they should lead and guide the clients in assessing their environment. Choices B, C and D should not be roles of the IS auditor. These roles are more appropriate for the client. ...............................................................................................................................
41. The use of statistical sampling procedures helps minimize:
A. sampling risk. B. detection risk. C. inherent risk. D. control risk.
The correct answer is: B. detection risk. Explanation: Detection risk is the risk that the IS auditor uses an inadequate test procedure and concludes that material errors do not exist, when in fact they do. Using statistical sampling, an IS auditor can quantify how closely the sample should represent the population and quantify the probability of error. Sampling risk is the risk that incorrect assumptions will be made about the characteristics of a population from which a sample is selected. Assuming there are no related compensating controls, inherent risk is the risk that an error exists, which could be material or significant when combined with other errors found during the audit. Statistical sampling will not minimize this. Control risk is the risk that a material error exists, which will not be prevented or detected on a timely basis by the system of internal controls. This cannot be minimized using statistical sampling. ...............................................................................................................................
42. An IS auditor evaluates the test results of a modification to a system that deals with payment computation. The auditor finds that 50 percent of the
calculations do not match predetermined totals. Which of the following would MOST likely be the next step in the audit?
A. Design further tests of the calculations that are in error. B. Identify variables that may have caused the test results to be inaccurate. C. Examine some of the test cases to confirm the results. D. Document the results and prepare a report of findings, conclusions and recommendations.
The correct answer is: C. Examine some of the test cases to confirm the results. Explanation: The IS auditor should next examine cases where incorrect calculations occurred and confirm the results. After the calculations have been confirmed, further tests can be conducted and reviewed. Report preparation, findings and recommendations would not be made until all results are confirmed. ...............................................................................................................................
43. An IS auditor is assigned to perform a postimplementation review of an application system. Which of the following situations may have impaired the independence of the IS auditor? The IS auditor:
A. implemented a specific control during the development of the application system. B. designed an embedded audit module exclusively for auditing the application system. C. participated as a member of the application system project team, but did not have operational responsibilities. D. provided consulting advice concerning application system best practices.
The correct answer is: A. implemented a specific control during the development of the application system. Explanation: Independence may be impaired if the IS auditor is, or has been, actively involved in the development, acquisition and implementation of the application system. Choices B and C are situations that do not impair the IS auditor's independence. Choice D is incorrect because the IS auditor's independence is not impaired by providing advice on known best practices. ...............................................................................................................................
44. The BEST method of proving the accuracy of a system tax calculation is by:
A. detailed visual review and analysis of the source code of the calculation programs. B. recreating program logic using generalized audit software to calculate monthly totals. C. preparing simulated transactions for processing and comparing the results to predetermined results. D. automatic flowcharting and analysis of the source code of the calculation programs.
The correct answer is: C. preparing simulated transactions for processing and comparing the results to predetermined results.
Explanation: Preparing simulated transactions for processing and comparing the results to predetermined results is the best method for proving accuracy of a tax calculation. Detailed visual review, flowcharting and analysis of source code are not effective methods, and monthly totals would not address the accuracy of individual tax calculations. ...............................................................................................................................
45. Which of the following audit tools is MOST useful to an IS auditor when an audit trail is required?
A. Integrated test facility (ITF) B. Continuous and intermittent simulation (CIS) C. Audit hooks D. Snapshots
The correct answer is: D. Snapshots Explanation: A snapshot tool is most useful when an audit trail is required. ITF can be used to incorporate test transactions into a normal production run of a system. CIS is useful when transactions meeting certain criteria need to be examined. Audit hooks are useful when only select transactions or processes need to be examined. ...............................................................................................................................
46. The PRIMARY advantage of a continuous audit approach is that it:
A. does not require an IS auditor to collect evidence on system reliability while processing is taking place. B. requires the IS auditor to review and follow up immediately on all information collected. C. can improve system security when used in time-sharing environments that process a large number of transactions. D. does not depend on the complexity of an organization's computer systems.
The correct answer is: C. can improve system security when used in time-sharing environments that process a large number of transactions. Explanation: The use of continuous auditing techniques can improve system security when used in time-sharing environments that process a large number of transactions, but leave a scarce paper trail. Choice A is incorrect since the continuous audit approach often does require an IS auditor to collect evidence on system reliability while processing is taking place. Choice B is incorrect since an IS auditor normally would review and follow up only on material deficiencies or errors detected. Choice D is incorrect since the use of continuous audit techniques depends on the complexity of an organization's computer systems. ...............................................................................................................................
47. Which of the following sampling methods is MOST useful when testing for compliance?
A. Attribute sampling B. Variable sampling C. Stratified mean per unit D. Difference estimation
The correct answer is: A. Attribute sampling Explanation: Attribute sampling is the primary sampling method used for compliance testing. Attribute sampling is a sampling model that is used to estimate the rate of occurrence of a specific quality (attribute) in a population and is used in compliance testing to confirm whether the quality exists. The other choices are used in substantive testing, which involves testing of details or quantity. ...............................................................................................................................
48. An IS auditor is reviewing access to an application to determine whether the 10 most recent "new user" forms were correctly authorized. This is an example of:
A. variable sampling. B. substantive testing. C. compliance testing. D. stop-or-go sampling.
The correct answer is: C. compliance testing. Explanation: Compliance testing determines whether controls are being applied in compliance with policy. This includes tests to determine whether new accounts were appropriately authorized. Variable sampling is used to estimate numerical values, such as dollar values. Substantive testing substantiates the integrity of actual processing, such as balances on financial statements. The development of substantive tests is often dependent on the outcome of compliance tests. If compliance tests indicate that there are adequate internal controls, then substantive tests can be minimized. Stop-or-go sampling allows a test to be stopped as early as possible and is not appropriate for checking whether procedures have been followed. ...............................................................................................................................
49. The MAJOR advantage of the risk assessment approach over the baseline approach to information security management is that it ensures:
A. information assets are overprotected. B. a basic level of protection is applied regardless of asset value. C. appropriate levels of protection are applied to information assets. D. an equal proportion of resources are devoted to protecting all information assets.
The correct answer is: C. appropriate levels of protection are applied to information assets.
Explanation: Full risk assessment determines the level of protection most appropriate to a given level of risk, while the baseline approach merely applies a standard set of protection regardless of risk. There is a cost advantage in not overprotecting information. However, an even bigger advantage is making sure that no information assets are over- or underprotected. The risk assessment approach will ensure an appropriate level of protection is applied, commensurate with the level of risk and asset value and, therefore, considering asset value. The baseline approach does not allow more resources to be directed toward the assets at greater risk, rather than equally directing resources to all assets. ...............................................................................................................................
50. In a risk-based audit approach, an IS auditor should FIRST complete a(n):
A. inherent risk assessment. B. control risk assessment. C. test of control assessment. D. substantive test assessment.
The correct answer is: A. inherent risk assessment. Explanation: The first step in a risk-based audit approach is to gather information about the business and industry to evaluate the inherent risks. After completing the assessment of the inherent risks, the next step is to complete an assessment of the internal control structure. The controls are then tested and, on the basis of the test results, substantive tests are carried out and assessed. ...............................................................................................................................
51. An IS auditor conducting a review of software usage and licensing discovers that numerous PCs contain unauthorized software. Which of the following actions should the IS auditor take?
A. Personally delete all copies of the unauthorized software. B. Inform the auditee of the unauthorized software, and follow up to confirm deletion. C. Report the use of the unauthorized software and the need to prevent recurrence to auditee management. D. Take no action, as it is a commonly accepted practice and operations management is responsible for monitoring such use.
The correct answer is: C. Report the use of the unauthorized software and the need to prevent recurrence to auditee management. Explanation: The use of unauthorized or illegal software should be prohibited by an organization. Software piracy results in inherent exposure and can result in severe fines. The IS auditor must convince the user and user management of the risk and the need to eliminate the risk. An IS auditor should not assume the role of the enforcing officer and take on any personal involvement in removing or deleting the unauthorized software.
...............................................................................................................................
52. In planning an audit, the MOST critical step is the identification of the:
A. areas of high risk. B. skill sets of the audit staff. C. test steps in the audit. D. time allotted for the audit.
The correct answer is: A. areas of high risk. Explanation: When designing an audit plan, it is important to identify the areas of highest risk to determine the areas to be audited. The skill sets of the audit staff should have been considered before deciding and selecting the audit. Test steps for the audit are not as critical as identifying the areas of risk, and the time allotted for an audit is determined by the areas to be audited, which are primarily selected based on the identification of risks. ...............................................................................................................................
53. The PRIMARY purpose of audit trails is to:
A. improve response time for users. B. establish accountability and responsibility for processed transactions. C. improve the operational efficiency of the system. D. provide useful information to auditors who may wish to track transactions.
The correct answer is: B. establish accountability and responsibility for processed transactions. Explanation: Enabling audit trails helps in establishing the accountability and responsibility of processed transactions by tracing transactions through the system. The objective of enabling software to provide audit trails is not to improve system efficiency, since it often involves additional processing which may in fact reduce response time for users. Enabling audit trails involves storage and thus occupies disk space. Choice D is also a valid reason; however, it is not the primary reason. ...............................................................................................................................
54. An IS auditor performing a review of an application's controls would evaluate the:
A. efficiency of the application in meeting the business processes. B. impact of any exposures discovered. C. business processes served by the application. D. application's optimization.
The correct answer is: B. impact of any exposures discovered.
Explanation: An application control review involves the evaluation of the application's automated controls and an assessment of any exposures resulting from the control weaknesses. The other choices may be objectives of an application audit but are not part of an audit restricted to a review of controls. ...............................................................................................................................
55. Which of the following is a substantive test?
A. Checking a list of exception reports B. Ensuring approval for parameter changes C. Using a statistical sample to inventory the tape library D. Reviewing password history reports
The correct answer is: C. Using a statistical sample to inventory the tape library Explanation: A substantive test confirms the integrity of actual processing. A substantive test would determine if the tape library records are stated correctly. A compliance test determines if controls are being applied in a manner that is consistent with management policies and procedures. Checking the authorization of exception reports, reviewing authorization for changing parameters and reviewing password history reports are all compliance tests. ...............................................................................................................................
56. An IS auditor attempting to determine whether access to program documentation is restricted to authorized persons would MOST likely:
A. evaluate the record retention plans for off-premises storage. B. interview programmers about the procedures currently being followed. C. compare utilization records to operations schedules. D. review data file access records to test the librarian function.
The correct answer is: B. interview programmers about the procedures currently being followed. Explanation: Asking programmers about the procedures currently being followed is useful in determining whether access to program documentation is restricted to authorized persons. Evaluating the record retention plans for off-premises storage tests the recovery procedures, not the access control over program documentation. Testing utilization records or data files will not address access security over program documentation. ...............................................................................................................................
57. With regard to sampling, it can be said that:
A. sampling is generally applicable when the population relates to an intangible or undocumented control. B. if an auditor knows internal controls are strong, the confidence coefficient may be lowered. C. attribute sampling would help prevent excessive sampling of an attribute by stopping an audit test at the earliest possible moment.
D. variable sampling is a technique to estimate the rate of occurrence of a given control or set of related controls.
The correct answer is: B. if an auditor knows internal controls are strong, the confidence coefficient may be lowered. Explanation: Statistical sampling quantifies how closely the sample should represent the population, usually as a percentage. If the auditor knows internal controls are strong, the confidence coefficient may be lowered. The greater the confidence coefficient, the larger the sample size. Choice A is incorrect because sampling is generally applicable when the population relates to a tangible or documented control. Choice C is a description of stop-or-go sampling. Choice D is a definition of attribute sampling. ...............................................................................................................................
58. Which audit technique provides the BEST evidence of the segregation of duties in an IS department?
A. Discussion with management B. Review of the organization chart C. Observation and interviews D. Testing of user access rights
The correct answer is: C. Observation and interviews Explanation: By observing the IS staff performing their tasks, the IS auditor can identify whether they are performing any incompatible operations, and by interviewing the IS staff, the auditor can get an overview of the tasks performed. Based on the observations and interviews the auditor can evaluate the segregation of duties. Management may not be aware of the detailed functions of each employee in the IS department; therefore, discussion with the management would provide only limited information regarding segregation of duties. An organization chart would not provide details of the functions of the employees. Testing of user rights would provide information about the rights they have within the IS systems, but would not provide complete information about the functions they perform. ...............................................................................................................................
59. Corrective action has been taken by an auditee immediately after the identification of a reportable finding. The auditor should:
A. include the finding in the final report, because the IS auditor is responsible for an accurate report of all findings. B. not include the finding in the final report, because the audit report should include only unresolved findings. C. not include the finding in the final report, because corrective action can be verified by the IS auditor during the audit. D. include the finding in the closing meeting for discussion purposes only.
The correct answer is: A. include the finding in the final report, because the IS auditor is responsible for an accurate report of all findings.
Explanation: Including the finding in the final report is a generally accepted audit practice. If an action is taken after the audit started and before it ended, the audit report should identify the finding and describe the corrective action taken. An audit report should reflect the situation, as it existed at the start of the audit. All corrective actions taken by the auditee should be reported in writing. ...............................................................................................................................
60. An IS auditor is performing an audit of a network operating system. Which of the following is a user feature the IS auditor should review?
A. Availability of online network documentation B. Support of terminal access to remote hosts C. Handling file transfer between hosts and interuser communications D. Performance management, audit and control
The correct answer is: A. Availability of online network documentation Explanation: Network operating system user features include online availability of network documentation. Other features would be user access to various resources of network hosts, user authorization to access particular resources, and the network and host computers used without special user actions or commands. Choices B, C and D are examples of network operating systems functions. ...............................................................................................................................
61. The PRIMARY objective of an IS audit function is to:
A. determine whether everyone uses IS resources according to their job description. B. determine whether information systems safeguard assets and maintain data integrity. C. examine books of accounts and relative documentary evidence for the computerized system. D. determine the ability of the organization to detect fraud.
The correct answer is: B. determine whether information systems safeguard assets and maintain data integrity. Explanation: The primary reason for conducting IS audits is to determine whether a system safeguards assets and maintains data integrity. Examining books of accounts is one of the processes involved in IS audit, but it is not the primary purpose. Detecting frauds could be a result of an IS audit but is not the purpose for which an IS audit is performed. ...............................................................................................................................
62. An IS auditor has imported data from the client's database. The next step-confirming whether the imported data are complete-is performed by:
A. matching control totals of the imported data to control totals of the original data. B. sorting the data to confirm whether the data are in the same order as the original data. C. reviewing the printout of the first 100 records of original data with the first 100 records of imported data. D. filtering data for different categories and matching them to the original data.
The correct answer is: A. matching control totals of the imported data to control totals of the original data. Explanation: Matching control totals of the imported data with control totals of the original data is the next logical step, as this confirms the completeness of the imported data. It is not possible to confirm completeness by sorting the imported data, because the original data may not be in sorted order. Further, sorting does not provide control totals for verifying completeness. Reviewing a printout of 100 records of original data with 100 records of imported data is a process of physical verification and confirms the accuracy of only these records. Filtering data for different categories and matching them to original data would still require that control totals be developed to confirm the completeness of the data ...............................................................................................................................
63. In cases where there is disagreement, during an exit interview, regarding the impact of a finding, the IS auditor should:
A. ask the auditee to sign a release form accepting full legal responsibility. B. elaborate on the significance of the finding and the risks of not correcting it. C. report the disagreement to the audit committee for resolution. D. accept the auditee's position since they are the process owners.
The correct answer is: B. elaborate on the significance of the finding and the risks of not correcting it. Explanation: If the auditee disagrees with the impact of a finding, it is important for the IS auditor to elaborate and clarify the risks and exposures, as the auditee may not fully appreciate the magnitude of the exposure. The goal should be to enlighten the auditee or uncover new information of which the IS auditor may not have been aware. Anything that appears to threaten the auditee will lessen effective communications and set up an adversarial relationship. By the same token, the IS auditor should not automatically agree just because the auditee expresses an alternate point of view. ...............................................................................................................................
64. An IS auditor reviewing the effectiveness of IT controls found a prior audit report, without workpapers. How should the IS auditor proceed?
A. Suspend the audit until work papers are available. B. Rely upon the previous audit report. C. Retest the controls associated with the highest risk areas. D. Inform audit management and propose retesting the controls.
The correct answer is: D. Inform audit management and propose retesting the controls.
Explanation: In the absence of audit workpapers, an IS auditor should retest the controls for effectiveness. Without retesting the auditor will not be exercising due professional care while performing the audit. The workpapers can help the auditor eliminate the need for retesting; however, the auditor should be prepared to retest the controls. ...............................................................................................................................
65. Which of the following tests is an IS auditor performing when a sample of programs is selected to determine if the source and object versions are the same?
A. A substantive test of program library controls B. A compliance test of program library controls C. A compliance test of the program compiler controls D. A substantive test of the program compiler controls
The correct answer is: B. A compliance test of program library controls Explanation: A compliance test determines if controls are operating as designed and are being applied in a manner that complies with management policies and procedures. For example, if the IS auditor is concerned whether program library controls are working properly, the IS auditor might select a sample of programs to determine if the source and object versions are the same. In other words, the broad objective of any compliance test is to provide auditors with reasonable assurance that a particular control on which the auditor plans to rely is operating as the auditor perceived it in the preliminary evaluation. ...............................................................................................................................
66. In a critical server, an IS auditor discovers a Trojan horse that was produced by a known virus that exploits a vulnerability of an operating system. Which of the following should an IS auditor do FIRST?
A. Investigate the virus's author. B. Analyze the operating system log. C. Ensure that the malicious code is removed. D. Install the patch that eliminates the vulnerability.
The correct answer is: C. Ensure that the malicious code is removed. Explanation: The priority is safeguarding the system; therefore, the IS auditor should suggest corrective controls, i.e., remove the code. The IS auditor is not responsible for investigating the virus. The IS auditor may analyze the virus information and determine if it has affected the operating system, but this is an investigative task that would take place after ensuring that the malicious code has been removed. Installing the patch that eliminates the vulnerability should be done by technical support. ...............................................................................................................................
67. During an implementation review of a multiuser distributed application, the IS auditor finds minor weaknesses in three areas-the initial setting of parameters is
improperly installed, weak passwords are being used and some vital reports are not being checked properly. While preparing the audit report, the IS auditor should:
A. record the observations separately with the impact of each of them marked against each respective finding. B. advise the manager of probable risks without recording the observations, as the control weaknesses are minor ones. C. record the observations and the risk arising from the collective weaknesses. D. apprise the departmental heads concerned with each observation and properly document it in the report.
The correct answer is: C. record the observations and the risk arising from the collective weaknesses. Explanation: Individually the weaknesses are minor; however, together they have the potential to substantially weaken the overall control structure. Choices A and D reflect a failure on the part of the IS auditor to recognize the combined affect of the control weakness. Advising the local manager without reporting the facts and observations would conceal the findings from other stakeholders. ...............................................................................................................................
68. When communicating audit results, IS auditors should remember that ultimately they are responsible to:
A. senior management and/or the audit committee. B. the manager of the audited entity. C. the IS audit director. D. legal authorities.
The correct answer is: A. senior management and/or the audit committee. Explanation: The IS auditor is ultimately responsible to senior management and the audit committee of the board of directors. Even though the IS auditor should discuss the findings with the management staff of the audited entity (choice B), this is done only to gain agreement on the findings and develop a course of corrective action. Choice C is incorrect because the IS audit director should review the report that the IS auditor prepared, but is not the person who will make the decisions regarding the findings and their potential consequences. Choice D is incorrect because the responsibility for reporting to legal authorities would rest with the board of directors and their legal counselors. ...............................................................................................................................
69. Which of the following forms of evidence for the auditor would be considered the MOST reliable?
A. An oral statement from the auditee B. The results of a test performed by an IS auditor C. An internally generated computer accounting report D. A confirmation letter received from an outside source
The correct answer is: D. A confirmation letter received from an outside source Explanation: Evidence obtained from outside sources is usually more reliable than that obtained from within the organization. Confirmation letters received from outside parties, such as those used to verify accounts receivable balances, are usually highly reliable. Testing performed by an auditor may not be reliable, if the auditor did not have a good understanding of the technical area under review. ...............................................................................................................................
70. Which of the following is the GREATEST challenge in using test data?
A. Ensuring the program version tested is the same as the production program B. Creating test data that covers all possible valid and invalid conditions C. Minimizing the impact of additional transactions on the application being tested D. Processing the test data under an auditor's supervision
The correct answer is: B. Creating test data that covers all possible valid and invalid conditions Explanation: The effectiveness of test data is determined by the comprehensiveness of the coverage of all the key controls to be tested. If the test data does not cover all valid and invalid conditions, there is a risk that relevant control weakness may remain undetected. Changes in the program, for the period covered under audit, may have been done to remove bugs or for additional functionalities. However, as the test data approach involves testing of data for the audit period, changes in the program tested may have minimal impact. Applications with current technology are usually not impacted by additional transactions. Test data are developed by the auditor; however, processing does not have to be under an auditor's supervision, since the input data will be verified by the outputs. ...............................................................................................................................
71. Which of the following processes describes risk assessment? Risk assessment is:
A. subjective. B. objective. C. mathematical. D. statistical.
The correct answer is: A. subjective. Explanation: The ISACA IS Auditing Guideline G13 on the use of a risk assessment in audit planning states, "All risk assessment methodologies rely on subjective judgments at some point in the process (e.g., for assigning weightings to the various parameters). The IS auditor should identify the subjective decisions required to use a particular methodology and consider whether these judgments can be made and validated to an appropriate level of accuracy."
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72. Which of the following is an advantage of an integrated test facility (ITF)?
A. It uses actual master files or dummies and the IS auditor does not have to review the source of the transaction. B. Periodic testing does not require separate test processes. C. It validates application systems and tests the ongoing operation of the system. D. It eliminates the need to prepare test data.
The correct answer is: B. Periodic testing does not require separate test processes. Explanation: An integrated test facility creates a fictitious entity in the database to process test transactions simultaneously with live input. Its advantage is that periodic testing does not require separate test processes. However, careful planning is necessary, and test data must be isolated from production data. ...............................................................................................................................
73. Which of the following BEST describes an integrated test facility?
A. A technique that enables the IS auditor to test a computer application for the purpose of verifying correct processing B. The utilization of hardware and/or software to review and test the functioning of a computer system C. A method of using special programming options to permit the printout of the path through a computer program taken to process a specific transaction D. A procedure for tagging and extending transactions and master records that are used by an IS auditor for tests
The correct answer is: A. A technique that enables the IS auditor to test a computer application for the purpose of verifying correct processing Explanation: Answer A best describes an integrated test facility, which is a specialized computer-assisted audit process that allows an IS auditor to test an application on a continuous basis. Answer B is an example of a systems control audit review file; answers C and D are examples of snapshots. ...............................................................................................................................
74. When assessing the design of network monitoring controls, an IS auditor should FIRST review network:
A. topology diagrams. B. bandwidth usage. C. traffic analysis reports. D. bottleneck locations.
The correct answer is: A. topology diagrams. Explanation: The first step in assessing network monitoring controls should be the review of the adequacy of network documentation, specifically topology diagrams. If this information is not up to date, then monitoring processes and the ability to diagnose problems will not be effective. ...............................................................................................................................
75. In a risk-based audit approach, an IS auditor, in addition to risk, would be influenced by:
A. the availability of CAATs. B. management's representation. C. organizational structure and job responsibilities. D. the existence of internal and operational controls
The correct answer is: D. the existence of internal and operational controls Explanation: The existence of internal and operational controls will have a bearing on the IS auditor's approach to the audit. In a risk-based approach, the IS auditor is not only relying on risk, but on internal and operational controls as well as knowledge of the company and the business. This type of risk assessment decision can help relate the cost-benefit analysis of a control to the known risk, allowing practical choices. The nature of available testing techniques and management's representations in the approach to perform the audit have little impact on the risk-based audit approach. Although organizational structure and job responsibilities need to be considered, they are not directly considered unless they impact internal and operational controls. ...............................................................................................................................
76. To ensure that audit resources deliver the best value to the organization, the FIRST step would be to:
A. schedule the audits and monitor the time spent on each audit. B. train the IS audit staff on current technology used in the company. C. develop the audit plan on the basis of a detailed risk assessment. D. monitor progress of audits and initiate cost control measures.
The correct answer is: C. develop the audit plan on the basis of a detailed risk assessment. Explanation: Monitoring the time (A) and audit programs (D), as well as an adequate training (B) will improve the IS audit staff productivity (efficiency and performance), but that which delivers value to the organization are the resources and efforts being dedicated to and focused on the higher-risk areas. ...............................................................................................................................
77. While conducting an audit, an IS auditor detects the presence of a virus. What should be the IS auditor's next step?
A. Observe the response mechanism. B. Clear the virus from the network. C. Inform appropriate personnel immediately. D. Ensure deletion of the virus.
The correct answer is: C. Inform appropriate personnel immediately. Explanation: The first thing an IS auditor should do after detecting the virus is to alert the organization to its presence, then wait for their response. Choice A should be taken after choice C. This will enable the IS auditor to examine the actual workability and effectiveness of the response system. The IS auditor should not make changes to the system being audited, and ensuring the deletion of the virus is a management responsibility. ...............................................................................................................................
78. Which of the following should be of MOST concern to an IS auditor?
A. Lack of reporting of a successful attack on the network B. Failure to notify police of an attempted intrusion C. Lack of periodic examination of access rights D. Lack of notification to the public of an intrusion
The correct answer is: A. Lack of reporting of a successful attack on the network Explanation: Not reporting an intrusion is equivalent to an IS auditor hiding a malicious intrusion, which would be a professional mistake. Although notification to the police may be required and the lack of a periodic examination of access rights might be a concern, they do not represent as big a concern as the failure to report the attack. Reporting to the public is not a requirement and is dependent on the organization's desire, or lack thereof, to make the intrusion known. ...............................................................................................................................
79. The success of control self-assessment (CSA) highly depends on:
A. having line managers assume a portion of the responsibility for control monitoring. B. assigning staff managers the responsibility for building, but not monitoring, controls. C. the implementation of a stringent control policy and rule-driven controls. D. the implementation of supervision and the monitoring of controls of assigned duties.
The correct answer is: A. having line managers assume a portion of the responsibility for control monitoring. Explanation: The primary objective of a CSA program is to leverage the internal audit function by shifting some of the control monitoring responsibilities to the functional area line managers. The
success of a control self-assessment (CSA) program depends on the degree to which line managers assume responsibility for controls. Choices B, C and D are characteristics of a traditional audit approach, not a CSA approach. ...............................................................................................................................
80. The PRIMARY role of an IS auditor during the system design phase of an application development project is to:
A. advise on specific and detailed control procedures. B. ensure the design accurately reflects the requirement. C. ensure all necessary controls are included in the initial design. D. advise the development manager on adherence to the schedule.
The correct answer is: C. ensure all necessary controls are included in the initial design. Explanation: The duty of the IS auditor is to ensure that required controls are included. Unless specifically present as a consultant, the IS auditor should not be involved in detailed designs. During the design phase, the IS auditor's primary role is to ensure controls are included. Unless there is potential slippage to report, the IS auditor is not concerned with project control at this stage. ...............................................................................................................................
81. Which of the following is the PRIMARY advantage of using computer forensic software for investigations?
A. The preservation of the chain of custody for electronic evidence B. Time and cost savings C. Efficiency and effectiveness D. Ability to search for violations of intellectual property rights
The correct answer is: A. The preservation of the chain of custody for electronic evidence Explanation: The primary objective of forensic software is to preserve electronic evidence to meet the rules of evidence. Time and cost savings, choice B, and efficiency and effectiveness, choice C, are legitimate concerns and differentiate good from poor forensic software packages. The ability to search for intellectual property rights violations, choice D, is an example of a use of forensic software. ...............................................................................................................................
82. Which of the following online auditing techniques is most effective for the early detection of errors or irregularities?
A. Embedded audit module B. Integrated test facility C. Snapshots D. Audit hooks
The correct answer is: D. Audit hooks Explanation: The audit hook technique involves embedding code in application systems for the examination of selected transactions. This helps the IS auditor to act before an error or an irregularity gets out of hand. An embedded audit module involves embedding specially written software in the organization's host application system so that application systems are monitored on a selective basis. An integrated test facility is used when it is not practical to use test data, and snapshots are used when an audit trail is required. ...............................................................................................................................
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