An organization wants to enforce data integrity principles
and achieve faster performance/execution in a database
application. Which of the following design principles should
be applied?
A. User (customized) triggers
B. Data validation at the front end
C. Data validation at the back end
D. Referential integrity
Answer / guest
Answer: D
Referential integrity should be implemented at the time of
the design of the database to provide a faster execution
mechanism. All other options are implemented at the
application coding stage.
| Is This Answer Correct ? | 13 Yes | 0 No |
Which of the following is a measure of the size of an information system based on the number and complexity of a system?s inputs, outputs and files? A. Function point (FP) B. Program evaluation review technique (PERT) C. Rapid application design (RAD) D. Critical path method (CPM)
Which of the following are data file controls? A. Internal and external labeling B. Limit check and logical relationship checks C. Total items and hash totals D. Report distribution procedures
If a database is restored using before-image dumps, where should the process be restarted following an interruption? A. Before the last transaction B. After the last transaction C. The first transaction after the latest checkpoint D. The last transaction before the latest checkpoint
When reviewing a service level agreement for an outsourced computer center an IS auditor should FIRST determine that: A. the cost proposed for the services is reasonable. B. security mechanisms are specified in the agreement. C. the services in the agreement are based on an analysis of business needs. D. audit access to the computer center is allowed under the agreement.
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
Which of the following pairs of functions should not be combined to provide proper segregation of duties? A. Tape librarian and computer operator B. Application programming and data entry C. Systems analyst and database administrator D. Security administrator and quality assurance
An IS auditor is reviewing the risk management process. Which of the following is the MOST important consideration during this review? A. Controls are implemented based on cost-benefit analysis. B. The risk management framework is based on global standards. C. The approval process for risk response is in place. D. IT risk is presented in business terms.
During a review of a business continuity plan, an IS auditor noticed that the point at which a situation is declared to be a crisis has not been defined. The MAJOR risk associated with this is that: A. assessment of the situation may be delayed. B. execution of the disaster recovery plan could be impacted. C. notification of the teams might not occur. D. potential crisis recognition might be delayed.
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
Which of the following is a benefit of a risk-based approach to audit planning? Audit: A. scheduling may be performed months in advance. B. budgets are more likely to be met by the IS audit staff. C. staff will be exposed to a variety of technologies. D. resources are allocated to the areas of highest concern.
An IS auditor reviewing database controls discovered that changes to the database during normal working hours were handled through a standard set of procedures. However, changes made after normal hours required only an abbreviated number of steps. In this situation, which of the following would be considered an adequate set of compensating controls? A. Allow changes to be made only with the DBA user account. B. Make changes to the database after granting access to a normal user account C. Use the DBA user account to make changes, log the changes and review the change log the following day. D. Use the normal user account to make changes, log the changes and review the change log the following day.
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