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Which of the following statements relating to packet
switching networks is CORRECT?
A. Packets for a given message travel the same route.
B. Passwords cannot be embedded within the packet.
C. Packet lengths are variable and each packet contains the
same amount of information.
D. The cost charged for transmission is based on packet, not
distance or route traveled.
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Answer: D
D is the correct answer since transmission charges are based
on packets transmitted, not the distance or route traveled.
Passwords and other data can be placed within a packet
making choice B incorrect. Choices A and C are not correct
because a complete message is broken into transmission units
(packets), which are routed individually through the network.
| Is This Answer Correct ? | 4 Yes | 0 No |
Which of the following risks would be increased by the installation of a database system? A. Programming errors B. Data entry errors C. Improper file access D. Loss of parity
The PRIMARY purpose of compliance tests is to verify whether: A. controls are implemented as prescribed. B. documentation is accurate and current. C. access to users is provided as specified. D. data validation procedures are provided.
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
When reviewing the quality of an IS department's development process, the IS auditor finds that they do not use any formal, documented methodology and standards. The IS auditor's MOST appropriate action would be to: A. complete the audit and report the finding. B. investigate and recommend appropriate formal standards. C. document the informal standards and test for compliance. D. withdraw and recommend a further audit when standards are implemented.
The security level of a private key system depends on the number of: A. encryption key bits. B. messages sent. C. keys. D. channels used.
The difference between whitebox testing and blackbox testing is that whitebox testing: A. involves the IS auditor. B. is performed by an independent programmer team. C. examines a program's internal logical structure. D. uses the bottom-up approach.
Which of the following is the MOST effective means of determining which controls are functioning properly in an operating system? A. Consulting with the vendor B. Reviewing the vendor installation guide C. Consulting with the system programmer D. Reviewing the system generation parameters
When auditing the requirements phase of a system development project, an IS auditor would: A. assess the adequacy of audit trails. B. identify and determine the criticality of the need. C. verify cost justifications and anticipated benefits. D. ensure that control specifications have been defined.
The BEST overall quantitative measure of the performance of biometric control devices is: A. false rejection rate. B. false acceptance rate. C. equal error rate. D. estimated error rate.
Facilitating telecommunications continuity by providing redundant combinations of local carrier T-1 lines, microwaves and/or coaxial cables to access the local communication loop is: A. last mile circuit protection. B. long haul network diversity. C. diverse routing. D. alternative routing.
Disaster recovery planning addresses the: A. technological aspect of business continuity planning. B. operational piece of business continuity planning. C. functional aspect of business continuity planning. D. overall coordination of business continuity planning.
The most common problem in the operation of an intrusion detection system (IDS) is: A. the detection of false positives. B. receiving trap messages. C. reject error rates. D. denial-of-service attacks.
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