Answer / andreas

This describes REDUNDANCY CHECK. Choice C. Previous answer
is wrong.

Answer / guest

Answer: A

A redundancy check detects transmission errors by appending
calculated bits onto the end of each segment of data. A
reasonableness check compares data to predefined
reasonability limits or occurrence rates established for the
data. A parity check is a hardware control that detects data
errors when data are read from one computer to another, from
memory or during transmission. Check digits detect
transposition and transcription errors.

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

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An IS auditor evaluating data integrity in a transaction driven system environment should review atomicity, to determine whether: A. the database survives failures (hardware or software). B. each transaction is separated from other transactions. C. integrity conditions are maintained. D. a transaction is completed or not, or a database is updated or not.

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Capacity monitoring software is used to ensure: A. maximum use of available capacity. B. that future acquisitions meet user needs. C. concurrent use by a large number of users. D. continuity of efficient operations.

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Which of the following would be the LEAST likely indication that complete or selected outsourcing of IS functions should be considered? A. The applications development backlog is greater than three years. B. It takes one year to develop and implement a high-priority system. C. More than 60 percent of programming costs are spent on system maintenance. D. Duplicate information systems functions exist at two sites.

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An IS auditor attempting to determine whether access to program documentation is restricted to authorized persons would MOST likely: A. evaluate the record retention plans for off-premises storage. B. interview programmers about the procedures currently being followed. C. compare utilization records to operations schedules. D. review data file access records to test the librarian function.

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The review of router access control lists should be conducted during a/an: A. environmental review. B. network security review. C. business continuity review. D. data integrity review.

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What data should be used for regression testing? A. Different data than used in the previous test B. The most current production data C. The data used in previous tests D. Data produced by a test data generator

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Which of the following network configuration options contains a direct link between any two host machines? A. Bus B. Ring C. Star D. Completely connected (mesh)

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The FIRST step in data classification is to: A. establish ownership. B. perform a criticality analysis. C. define access rules. D. create a data dictionary.

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Which of the following hardware devices relieves the central computer from performing network control, format conversion and message handling tasks? A. Spool B. Cluster controller C. Protocol converter D. Front end processor

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Which of the following IS functions may be performed by the same individual, without compromising on control or violating segregation of duties? A. Job control analyst and applications programmer B. Mainframe operator and system programmer C. Change/problem and quality control administrator D. Applications and system programmer

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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

2 Answers  

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