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Which of the following data validation edits is effective in
detecting transposition and transcription errors?
A. Range check
B. Check digit
C. Validity check
D. Duplicate check
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Answer: B
A check digit is a numeric value that is calculated
mathematically and is appended to data to ensure that the
original data have not been altered or an incorrect, but
valid, value substituted. This control is effective in
detecting transposition and transcription errors. A range
check is checking data that matches a predetermined range of
values. A validity check is programmed checking of the data
validity in accordance with predetermined criteria. In a
duplicate check, new or fresh transactions are matched to
those previously entered to ensure that they are not already
in the system.
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The potential for unauthorized system access by way of terminals or workstations within an organization's facility is increased when: A. connecting points are available in the facility to connect laptops to the network. B. users take precautions to keep their passwords confidential. C. terminals with password protection are located in unsecured locations. D. terminals are located within the facility in small clusters under the supervision of an administrator.
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Which of the following findings would an IS auditor be MOST concerned about when performing an audit of backup and recovery and the offsite storage vault? A. There are three individuals with a key to enter the area. B. Paper documents also are stored in the offsite vault. C. Data files, which are stored in the vault, are synchronized. D. The offsite vault is located in a separate facility.
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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.
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