Which of the following is a malicious program, the purpose of which is to reproduce itself throughout the network and produce a denial of service attack by excessively utilizing system resources?
Answer(s): C
A worm is an independent program that reproduces by copying itself from one system to another over a network and consumes computer and network resources.
Inefficient use of excess computer equipment can be controlled by
Planning is as important for the information systems function as for any other part of the organization. The master plan for this function should be consistent with the strategic plan for the organization and include goals and objectives. an inventory of current capacity, and a forecast of future needs. The plan is the basis for determining hardware needs.
The best plan for responding to quickly changing information requirements is to foster:
An important management challenge is to integrate the planning, design, and implementation of complex application systems with the strategy of the organization, which will permit the best possible response to quickly changing information requirements.
An automobile and personal property insurer has decentralized its information processing to the extent that headquarters has less processing capacity than any of its regional processing centers. These centers are responsible for initiating policies, communicating with policyholders, and adjusting claims. The company uses leased lines from a national telecommunications company. Initially, the company thought there would be little need for interregional communication, but that has not been the case. The company underestimated the number of customers that would move between regions and the number of customers with claims arising from accidents outside their regions. The company has a regional center in an earthquake-prone area and is planning how to continue processing if that center, or any other single center, were unable to perform its processing. The company considered mirroring the data stored at each regional center at another center. A disadvantage of such an arrangement is:
Answer(s): B
If data stored at one regional center is to mirror the data stored at another center, the most efficient method to ensure each center has the most current data is to transfer data across a network. Consequently, the cost of network traffic would increase dramatically.The complexity of the network would also increase as the network would need to provide a great deal of security when transferring data.
Which of the following statements about desktop computers, servers, and mainframe computers is true?
Answer(s): D
Advances in technology have resulted in less expensive computers and increased computing power. The cost to process transactions on all kinds of computers has therefore decreased.
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