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As updates to an online order entry system are processed,
the updates are recorded on a transaction tape and a
hard-copy transaction log. At the end of the day, the order
entry files are backed up on tape. During the backup
procedure, a drive malfunctions and the order entry files
are lost. Which of the following are necessary to restore
these files?
A. The previous day's backup file and the current
transaction tape
B. The previous day's transaction file and the current
transaction tape
C. The current transaction tape and the current hard-copy
transaction log
D. The current hard-copy transaction log and the previous
day's transaction file
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Answer: A
The previous day's backup will be the most current
historical backup of activity in the system. The current
day's transaction file will contain all of the day's
activity. Therefore, the combination of these two files will
enable full recovery up to the point of interruption.
| Is This Answer Correct ? | 3 Yes | 1 No |
An IS auditor should use statistical sampling and not judgmental (nonstatistical) sampling, when: 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.
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Which of the following is a control over database administration activities? A. A database checkpoint to restart processing after a system failure B. Database compression to reduce unused space C. Supervisory review of access logs D. Backup and recovery procedures to ensure database availability
When conducting an audit of client/server database security, the IS auditor would be MOST concerned about the availability of: A. system utilities. B. application program generators. C. system security documentation. D. access to stored procedures.
Which of the following would an IS auditor consider to be the MOST important to review when conducting a business continuity audit? A. A hot site is contracted for and available as needed. B. A business continuity manual is available and current. C. Insurance coverage is adequate and premiums are current. D. Media backups are performed on a timely basis and stored offsite.
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An IS auditor doing penetration testing during an audit of Internet connections would: A. evaluate configurations. B. examine security settings. C. ensure virus-scanning software is in use. D. use tools and techniques that are available to a hacker.
A tax calculation program maintains several hundred tax rates. The BEST control to ensure that tax rates entered into the program are accurate is: A. an independent review of the transaction listing. B. a programmed edit check to prevent entry of invalid data. C. programmed reasonableness checks with 20 percent data entry range. D. a visual verification of data entered by the processing department.
Which of the following controls will detect MOST effectively the presence of bursts of errors in network transmissions? A. Parity check B. Echo check C. Block sum check D. Cyclic redundancy check
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