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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
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Answer: B
Data mining is a technique to detect trends or patterns of
transactions or data. If the historical pattern of charges
against a credit card account is changed than it is a flag
that the transaction may have resulted from a fraudulent use
of the card.
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An IS auditor is assigned to help design the data security aspects of an application under development. Which of the following provides the MOST reasonable assurance that corporate assets are protected when the application is certified for production? A. A review conducted by the internal auditor B. A review conducted by the assigned IS auditor C. Specifications by the user on the depth and content of the review D. An independent review conducted by another equally experienced IS auditor
A data warehouse is: A. object orientated. B. subject orientated. C. departmental specific. D. a volatile databases.
If the decision has been made to acquire software rather than develop it internally, this decision is normally made during the: A. requirements definition phase of the project. B. feasibility study phase of the project. C. detailed design phase of the project. D. programming phase of the project.
Which of the following exposures could be caused by a line-grabbing technique? A. Unauthorized data access B. Excessive CPU cycle usage C. Lockout of terminal polling D. Multiplexor control dysfunction
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.
The responsibility, authority and accountability of the IS audit function is documented appropriately in an audit charter and MUST be: A. approved by the highest level of management. B. approved by audit department management. C. approved by user department management. D. changed every year before commencement of IS audits.
For an online transaction processing system, transactions per second is a measure of: A. throughput. B. response time. C. turnaround time. D. uptime.
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.
The risk that an IS auditor uses an inadequate test procedure and concludes that material errors do not exist when, in fact, they do, is an example of: A. inherent risk. B.control risk. C. detection risk. D. audit risk.
An offsite information processing facility: A. should have the same amount of physical access restrictions as the primary processing site. B. should be easily identified from the outside so that in the event of an emergency it can be easily found. C. should be located in proximity to the originating site so that it can quickly be made operational. D. need not have the same level of environmental monitoring as the originating site since this would be cost prohibitive.
An integrated test facility is considered a useful audit tool because it: A. is a cost-efficient approach to auditing application controls. B. enables the financial and IS auditors to integrate their audit tests. C. compares processing output with independently calculated data. D. provides the IS auditor with a tool to analyze a large range of information.
Programs that can run independently and travel from machine to machine across network connections, with the ability to destroy data or utilize tremendous computer and communication resources, are referred to as: A. trojan horses. B. viruses. C. worms. D. logic bombs.
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