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Which of the following is intended to detect the loss or
duplication of input?
A. Hash totals
B. Check digits
C. Echo checks
D. Transaction codes
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Answer: A
Hash totals are the result of totaling specified fields in a
series of transactions or records. If a later summation does
not result in the same number, then records have either been
lost, entered or transmitted incorrectly, or duplicated.
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An IS auditor reviewing operating system access discovers that the system is not secured properly. In this situation, the IS auditor is LEAST likely to be concerned that the user might: A. create new users. B. delete database and log files. C. access the system utility tools. D. access the system writeable directories.
Which of the following functions, if combined, would be the GREATEST risk to an organization? A. Systems analyst and database administrator B. Quality assurance and computer operator C. Tape librarian and data entry clerk D. Application programmer and tape librarian
To affix a digital signature to a message, the sender must first create a message digest by applying a cryptographic hashing algorithm against: A. the entire message and thereafter enciphering the message digest using the sender's private key. B. any arbitrary part of the message and thereafter enciphering the message digest using the sender's private key. C. the entire message and thereafter enciphering the message using the sender's private key. D. the entire message and thereafter enciphering the message along with the message digest using the sender's private key.
With the help of the security officer, granting access to data is the responsibility of: A. data owners. B. programmers. C. system analysts. D. librarians.
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.
Which of the following should be in place to protect the purchaser of an application package in the event that the vendor ceases to trade? A. Source code held in escrow. B. Object code held by a trusted third party. C. Contractual obligation for software maintenance. D. Adequate training for internal programming staff.
Of the following who is MOST likely to be responsible for network security operations? A. Users B. Security administrators C. Line managers D. Security officers
A disaster recovery plan (DRP) for an organization should: A. reduce the length of the recovery time and the cost of recovery. B. increase the length of the recovery time and the cost of recovery. C. reduce the duration of the recovery time and increase the cost of recovery. D. not affect the recovery time nor the cost of recovery.
Which of the following types of firewalls would BEST protect a network from an Internet attack? A. Screened subnet firewall B. Application filtering gateway C. Packet filtering router D. Circuit-level gateway
A hacker could obtain passwords without the use of computer tools or programs through the technique of: A. social engineering. B. sniffers. C. backdoors. D. trojan horses.
Which of the following is critical to the selection and acquisition of the correct operating system software? A. Competitive bids B. User department approval C. Hardware-configuration analysis D. Purchasing department approval
A request for a change to a report format in a module (subsystem) was made. After making the required changes, the programmer should carry out: A. unit testing. B. unit and module testing. C. unit, module and regression testing. D. module testing.
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