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Online banking transactions are being posted to the database
when processing suddenly comes to a halt. The integrity of
the transaction processing is best ensured by:
A. database integrity checks.
B. validation checks.
C. input controls.
D. database commits and rollbacks.
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Answer: D
Database commits ensure the data are saved to disk while the
transaction processing is underway or complete. Rollback
ensures that the processing already completed is reversed
back and the data already processed are not saved to the
disk in the event of the failure of the completion of the
transaction processing. All other options do not ensure
integrity while processing is underway.
| Is This Answer Correct ? | 8 Yes | 0 No |
The MOST important responsibility of a data security officer in an organization is: A. recommending and monitoring data security policies. B. promoting security awareness within the organization. C. establishing procedures for IT security policies. D. administering physical and logical access controls.
In an online transaction processing system, data integrity is maintained by ensuring that a transaction is either completed in its entirety or not at all. This principle of data integrity is known as: A. isolation. B. consistency. C. atomicity. D. durability.
Involvement of senior management is MOST important in the development of: A. strategic plans. B. IS policies. C. IS procedures. D. standards and guidelines.
In addition to the backup considerations for all systems, which of the following is an important consideration in providing backup for online systems? A. Maintaining system software parameters B. Ensuring periodic dumps of transaction logs C. Ensuring grandfather-father-son file backups D. Maintaining important data at an off-site location
The use of coding standards is encouraged by IS auditors because they: A. define access control tables. B. detail program documentation. C. standardize dataflow diagram methodology. D. ensure compliance with field naming conventions.
A TCP/IP-based environment is exposed to the Internet. Which of the following BEST ensures that complete encryption and authentication protocols exist for protecting information while transmitted? A. Work is completed in tunnel mode with IP security using the nested services of authentication header (AH) and encapsulating security payload (ESP). B. A digital signature with RSA has been implemented. C. Digital certificates with RSA are being used. D. Work is being completed in.TCP services.
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
Which of the following systems or tools can recognize that a credit card transaction is more likely to have resulted from a stolen credit card than from the holder of the credit card? A. Intrusion detection systems B. Data mining techniques C. Firewalls D. Packet filtering routers
When implementing an application software package, which of the following presents the GREATEST risk? A. Uncontrolled multiple software versions B. Source programs that are not synchronized with object code C. Incorrectly set parameters D. Programming errors
Which of the following techniques or tools would assist an IS auditor when performing a statistical sampling of financial transactions maintained in a financial management information system? A. Spreadsheets B. Parallel simulation C. Generalized audit software D. Regression testing
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.
The Primary purpose of audit trails is to
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