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Question 1:
.
What increases encryption overhead and cost the most?
A. A long symmetric encryption key
B. A long asymmetric encryption key
C. A long Advance Encryption Standard (AES) key
D. A long Data Encryption Standard (DES) key
Correct Answer: B
Explanation
A long asymmetric encryption key (public key encryption) increases encryption overhead and cost. All other answers are single shared symmetric keys.
Question 2:
.
Which of the following is a passive attack method used by intruders to determine potential network
vulnerabilities?
A. Traffic analysis
B. SYN flood
C. Denial of service (DoS)
D. Distributed denial of service (DoS)
Correct Answer: A
Explanation
Traffic analysis is a passive attack method used by intruders to determine potential network vulnerabilities. All others are active attacks.
Question 3:
. When should systems administrators first assess the impact of applications or systems patches?
A. Within five business days following installation
B. Prior to installation
C. No sooner than five business days following installation
D. Immediately following installation
Correct Answer: B
Explanation
Systems administrators should always assess the impact of patches before installation.
Question 4:
. After identifying potential security vulnerabilities, what should be the IS auditor\’s next
step?
A. To evaluate potential countermeasures and compensatory controls
B. To implement effective countermeasures and compensatory controls
C. To perform a business impact analysis of the threats that would exploit the vulnerabilities
D. To immediately advise senior management of the findings
Correct Answer: C
Explanation
After identifying potential security vulnerabilities, the IS auditor\’s next step is to perform a business impact analysis of the threats that would exploit the vulnerabilities.
Question 5:
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.
Correct Answer: C
Explanation
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.
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Question 6:
When implementing an IT governance framework in an organization the MOST important objective is:
A. IT alignment with the business.
B. accountability.
C. value realization with IT.
D. enhancing the return on IT investments.
Correct Answer: A
Explanation
Explanation: The goals of IT governance are to improve IT performance, to deliver optimum business value and to ensure regulatory compliance. The key practice in support of these goals is the strategic alignment of IT with the business {choice A). To achieve alignment, all other choices need to be tied to business practices and strategies.
Question 7:
An IS auditor finds that not all employees are aware of the enterprise\’s information security policy. The IS auditor should conclude that:
A. this lack of knowledge may lead to unintentional disclosure of sensitive information.
B. information security is not critical to all functions.
C. IS audit should provide security training to the employees.
D. the audit finding will cause management to provide continuous training to staff.
Correct Answer: A
Explanation:
All employees should be aware of the enterprise\’s information security policy to prevent
unintentional disclosure of sensitive information. Training is a preventive control.
Security awareness programs for employees can prevent unintentional disclosure of
sensitive information to outsiders.
Question 8:
A company has contracted with an external consulting firm to implement a commercial financial system to replace its existing system developed in-house. in reviewing the proposed development approach, which of the following would be of GREATESTconcern?
A. Acceptance testing is to be managed by users.
B. A quality plan is not part of the contracted deliverables.
C. Not all business functions will be available on initial implementation.
D. Prototyping is being used to confirm that the system meets business requirements.
Correct Answer: B
Explanation
A quality plan is an essential element of all projects. It is critical that the contracted supplier be required to produce such a plan. The quality plan for the proposed development contract should be comprehensive and encompass all phases of the development and include which business functions will be included and when. Acceptance is normally managed by the user area, since they must be satisfied that the new system will meet their requirements. If the system is large, a phased-in approach to implementing the application is a reasonable approach. Prototyping is a valid method of ensuring that the system will meet business requirements.
Question 9:
While reviewing the IT infrastructure, an IS auditor notices that storage resources are continuously being added. The IS auditor should:
A. recommend the use of disk mirroring.
B. review the adequacy of offsite storage.
C. review the capacity management process.
D. recommend the use of a compression algorithm.
Correct Answer: C
Explanation
Capacity management is the planning and monitoring of computer resources to ensure that available IT resources are used efficiently and effectively. Business criticality must be considered before recommending a disk mirroring solution and offsite storage is unrelated to the
problem. Though data compression may save disk space, it could affect system performance.
Question 10:
Which of the following is the PRIMARY safeguard for securing software and data within an information processing facility?
A. Security awareness
B. Reading the security policy
C. Security committee
D. Logical access controls
Correct Answer: D
Explanation
To retain a competitive advantage and meet basic business requirements, organizations must ensure that the integrity of the information stored on their computer systems preserve the confidentiality of sensitive data and ensure the continued availability of their information systems. To meet these goals, logical access controls must be in place. Awareness (choice A) itself does not protect against unauthorized access or disclosure of information. Knowledge of an information systems security policy (choice B), which should be known by the organization\’s employees, would help to protect information, but would not prevent the unauthorized access of information. A security committee (choice C) is key to the protection of information assets, butwould address security issues within a broader perspective.
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