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.

A proposed transaction processing application will have many data capture sources and outputs in both paper and electronic form. To ensure that transactions are not lost during processing, the IS auditor should recommend the inclusion of: A. validation controls. B. internal credibility checks. C. clerical control procedures. D. automated systems balancing.

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An IS auditor conducting a review of disaster recovery planning at a financial processing organization has discovered the following: * The existing disaster recovery plan was compiled two years ago by a systems analyst in the organization's IT department using transaction flow projections from the operations department. * The plan was presented to the deputy CEO for approval and formal issue, but it is still awaiting his attention. * The plan has never been updated, tested or circulated to key management and staff, though interviews show that each would know what action to take for their area in the event of a disruptive incident. The basis of an organization's disaster recovery plan is to reestablish live processing at an alternative site where a similar, but not identical hardware configuration is already established. The IS auditor should: A. take no action as the lack of a current plan is the only significant finding. B. recommend that the hardware configuration at each site should be identical. C. perform a review to verify that the second configuration can support live processing. D. report that the financial expenditure on the alternative site is wasted without an effective plan.

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A goal of processing controls is to ensure that: A. the data are delivered without compromised confidentiality. B. all transactions are authorized. C. accumulated data are accurate and complete through authorized routines. D. only authorized individuals perform sensitive functions.

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Is it appropriate for an IS auditor from a company that is considering outsourcing its IS processing to request and review a copy of each vendor's business continuity plan? A. Yes, because the IS auditor will evaluate the adequacy of the service bureau's plan and assist his/her company in implementing a complementary plan. B. Yes, because, based on the plan, the IS auditor will evaluate the financial stability of the service bureau and its ability to fulfill the contract. C. No, because the backup to be provided should be specified adequately in the contract. D. No, because the service bureau's business continuity plan is proprietary information.

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Which of the following should concern an IS auditor when reviewing security in a client-server environment? A. Data is protected by an encryption technique. B. Diskless workstations prevent unauthorized access. C. Ability of users to access and modify the database directly. D. Disabling floppy drives on the users machines.

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Which of the following is a control to detect an unauthorized change in a production environment? A. Denying programmers access to production data. B. Requiring change request to include benefits and costs. C. Periodically comparing control and current object and source programs. D. Establishing procedures for emergency changes.

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Which of the following will help detect changes made by an intruder to the system log of a server? A. Mirroring of the system log on another server B. Simultaneously duplicating the system log on a write-once disk C. Write protecting the directory containing the system log D. Storing the backup of the system log offsite

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An IS auditor evaluates the test results of a modification to a system that deals with payment computation. The auditor finds that 50 percent of the calculations do not match predetermined totals. Which of the following would MOST likely be the next step in the audit? A. Design further tests of the calculations that are in error. B. Identify variables that may have caused the test results to be inaccurate. C. Examine some of the test cases to confirm the results. D. Document the results and prepare a report of findings, conclusions and recommendations.

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With regard to sampling it can be said that: A. sampling is generally applicable when the population relates to an intangible or undocumented control. B. if an auditor knows internal controls are strong, the confidence coefficient may be lowered. C. attribute sampling would help prevent excessive sampling of an attribute by stopping an audit test at the earliest possible moment. D. variable sampling is a technique to estimate the rate of occurrence of a given control or set of related controls.

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When auditing the proposed acquisition of a new computer system, the IS auditor should FIRST establish that: A. a clear business case has been approved by management. B. corporate security standards will be met. C. users will be involved in the implementation plan. D. the new system will meet all required user functionality.

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When reviewing the IT strategic planning process, an IS auditor should ensure that the plan: A. incorporates state of the art technology. B. addresses the required operational controls. C. articulates the IT mission and vision. D. specifies project management practices.

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Which of the following independent duties is traditionally performed by the data control group? A. Access to data B. Authorization tables C. Custody of assets D. Reconciliation

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