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An IS auditor, in evaluating proposed biometric control
devices reviews the false rejection rates (FRRs), false
acceptance rates (FARs) and equal error rates (ERRs) of
three different devices. The IS auditor should recommend
acquiring the device having the:
A. least ERR.
B. most ERR.
C. least FRR but most FAR.
D. least FAR but most FRR.
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Answer: A
Equal error rate is the percent of times the false rejection
and acceptance are equal. The lower the overall measure, the
more effective the biometric. Neither a higher false
rejection rate nor false acceptance rate is desirable.
| Is This Answer Correct ? | 4 Yes | 0 No |
Before reporting results of an audit to senior management, an IS auditor should: A. Confirm the findings with auditees. B. Prepare an executive summary and send it to auditee management. C. Define recommendations and present the findings to the audit committee. D. Obtain agreement from the auditee on findings and actions to be taken.
The document used by the top management of organizations to delegate authority to the IS audit function is the: A. long-term audit plan. B. audit charter. C. audit planning methodology. D. steering committee minutes.
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Which of the following is the MOST fundamental step in effectively preventing a virus attack? A. Executing updated antivirus software in the background on a periodic basis B. Buying standard antivirus software, which is installed on all servers and workstations C. Ensuring that all software is checked for a virus in a separate PC before being loaded into the production environment D. Adopting a comprehensive antivirus policy and communicating it to all users
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A data center has a badge-entry system. Which of the following is MOSTimportant to protect the computing assets in the center? A. Badge readers are installed in locations where tampering would be noticed B. The computer that controls the badge system is backed up frequently C. A process for promptly deactivating lost or stolen badges exists D. All badge entry attempts are logged
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