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An organization is considering installing a LAN in a site
under construction. If system availability is the main
concern, which of the following topologies is MOST appropriate?
A. Ring
B. Line
C. Star
D. Bus
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Answer: A
A ring or loop topology would enable messages to be rerouted
should the network cabling be severed at any point or a
hardware element fail. With the correct settings in network
hardware, the loss of any link would be invisible to the
users. In line and bus networks, which are essentially the
same thing, terminals are connected to a single cable. If
this cable is severed, all terminals beyond the point of
severance will be unavailable. A star network clusters
terminals around hubs, connected to the server by separate
lines in the form of a star. If any line is severed, all
terminals in the cluster at the end of that line would be
disconnected.
| Is This Answer Correct ? | 2 Yes | 2 No |
Which of the following exposures associated with the spooling of sensitive reports for offline printing would an IS auditor consider to be the MOST serious? A. Sensitive data can be read by operators. B. Data can be amended without authorization. C. Unauthorized report copies can be printed. D. Output can be lost in the event of system failure.
Which of the following is the MOST effective technique for providing security during data transmission? A. Communication log B. Systems software log C. Encryption D. Standard protocol
What is a risk associated with attempting to control physical access to sensitive areas, such as computer rooms, through card keys, locks, etc.? A. Unauthorized individuals wait for controlled doors to open and walk in behind those authorized. B. The contingency plan for the organization cannot effectively test controlled access practices. C. Access cards, keys, and pads can be easily duplicated allowing easy compromise of the control. D. Removing access for people no longer authorized is complex.
Structured programming is BEST described as a technique that: A. provides knowledge of program functions to other programmers via peer reviews. B. reduces the maintenance time of programs by the use of small-scale program modules. C. makes the readable coding reflect as closely as possible the dynamic execution of the program. D. controls the coding and testing of the high-level functions of the program in the development process.
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Which of the following is the MOST effective control procedure for security of a stand-alone small business computer environment? A. Supervision of computer usage B. Daily management review of the trouble log C. Storage of computer media in a locked cabinet D. Independent review of an application system design
A dry-pipe fire extinguisher system is a system that uses: A. water, but in which water does not enter the pipes until a fire has been detected. B. water, but in which the pipes are coated with special watertight sealants. C. carbon dioxide instead of water. D. halon instead of water.
When reviewing a system development project at the project initiation stage, an IS auditor finds that the project team is following the organization's quality manual. To meet critical deadlines the project team proposes to fast track the validation and verification processes, commencing some elements before the previous deliverable is signed off. Under these circumstances, the IS auditor would MOST likely: A. report this as a critical finding to senior management. B. accept that different quality processes can be adopted for each project. C. report to IS management the team's failure to follow quality procedures. D. report the risks associated with fast tracking to the project steering committee.
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