Answer / chatter

An IS auditor should use statistical sampling and not judgmental (nonstatistical) sampling, when:

Correct A.
the probability of error must be objectively quantified.

B.
the auditor wants to avoid sampling risk.

C.
generalized audit software is unavailable.

D.
the tolerable error rate cannot be determined.

You are correct, the answer is A.

A. 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).

B. Sampling risk is the risk of a sample not being representative of the population. This risk exists for both judgment and statistical samples.

C. Statistical sampling can use generalized audit software, but it is not required.

D. The tolerable error rate must be predetermined for both judgment and statistical sampling.

Question #: 29 CISA Job Practice Task Statement: 1.2

The reliability of an application system's audit trail may be questionable if: A. user IDs are recorded in the audit trail. B. the security administrator has read-only rights to the audit file. C. date time stamps record when an action occurs. D. users can amend audit trail records when correcting system errors.

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1 Answers  

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1 Answers  

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1 Answers  

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2 Answers  

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An IS auditor discovers that an organization?s business continuity plan provides for an alternate processing site that will accommodate fifty percent of the primary processing capability. Based on this, which of the following actions should the IS auditor take? A. Do nothing, because generally, less than twenty-five percent of all processing is critical to an organization?s survival and the backup capacity, therefore is adequate. B. Identify applications that could be processed at the alternate site and develop manual procedures to backup other processing. C. Ensure that critical applications have been identified and that the alternate site could process all such applications. D. Recommend that the information processing facility arrange for an alternate processing site with the capacity to handle at least seventy-five percent of normal processing.

1 Answers  

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Which of the following is the MOST effective means of determining which controls are functioning properly in an operating system? A. Consulting with the vendor B. Reviewing the vendor installation guide C. Consulting with the system programmer D. Reviewing the system generation parameters

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