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An organization is introducing a single sign-on (SSO)
system. Under the SSO system, users will be required to
enter only one user ID and password for access to all
application systems. Under the SSO system, unauthorized access:
A. is less likely.
B. is more likely.
C. will have a greater impact.
D. will have a smaller impact.
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Answer: C
The impact will be greater since the hacker needs to know
only one password to gain access to all systems and can,
therefore, cause greater mischief than if only the password
to one of the systems is known. Less likely would be the
correct answer if the single sign-on system were to be
introduced with a stronger form of authentication, such as a
smart card/challenge response system. There is no indication
that the probability of someone attempting to gain access to
systems after introduction of single sign-on is greater than
before. The impact can only be greater, not smaller, since
the access gained is wider.
| Is This Answer Correct ? | 5 Yes | 2 No |
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.
A hardware control that helps to detect errors when data are communicated from one computer to another is known as a: A. duplicate check. B. table lookup. C. validity check. D. parity check.
Which of the following would an IS auditor consider the MOST relevant to short-term planning for the IS department? A. Allocating resources B. Keeping current with technology advances C. Conducting control self-assessment D. Evaluating hardware needs
During a post-implementation review of an enterprise resource management system, an IS auditor would MOST likely: A. review access control configuration. B. evaluate interface testing. C. review detailed design documentation. D. evaluate system testing.
An advantage of using sanitized live transactions in test data is that: A. all transaction types will be included. B. every error condition is likely to be tested. C. no special routines are required to assess the results. D. test transactions are representative of live processing.
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
The process of using interpersonal communication skills to get unauthorized access to company assets is called: A. wire tapping. B. trap doors. C. war dialing. D. social engineering.
Which of the following line media would provide the BEST security for a telecommunication network? A. Broad band network digital transmission B. Baseband network C. Dial-up D. Dedicated lines
An IS auditor performing a telecommunication access control review should be concerned PRIMARILY with the: A. maintenance of access logs of usage of various system resources. B. authorization and authentication of the user prior to granting access to system resources. C. adequate protection of stored data on servers by encryption or other means. D. accountability system and the ability to identify any terminal accessing system resources.
A retail company recently installed data warehousing client software at geographically diverse sites. Due to time zone differences between the sites, updates to the warehouse are not synchronized. Which of the following will be affected the MOST? A. Data availability B. Data completeness C. Data redundancy D. Data inaccuracy
Utilizing audit software to compare the object code of two programs is an audit technique used to test program: A. logic. B. changes. C. efficiency. D. computations.
Once an organization has finished the business process reengineering (BPR) of all its critical operations, the IS auditor would MOST likely focus on a review of: A. pre-BPR process flowcharts. B. post-BPR process flowcharts. C. BPR project plans. D. continuous improvement and monitoring plans.
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