2711A1 Discussion Sheet

2711A1 Discussion Sheet - 2711A1 Discussion Sheet SHORT...

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2711A1 Discussion Sheet SHORT ANSWER 1. ANS: Detect viruses through signature scanning , a comparison of a file’s content with known virus signatures (that is, the unique identifying characteristics in the code) in a signature database. Detect viruses through integrity checking , a method of comparing current characteristics of files and disks against an archived version of these characteristics to discover any changes. Detect viruses by monitoring unexpected file changes or virus-like behaviors. Receive regular updates and modifications from a centralized network console. Consistently report only valid viruses, rather than reporting “false alarms.” REF: 675 2. ANS: Amount of power needed Period of time to keep a device running Line conditioning Cost REF: 680-682 3. ANS: One advantage to mirroring is that the servers involved can stand side by side or be positioned in different locations - perhaps in two different buildings of a company’s headquarters, or possibly even on opposites sides of a continent. One potential disadvantage to mirroring, however, is the time it takes for a mirrored server to assume the functionality of the failed server. This delay may last 15 to 90 seconds. Obviously, this
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2711A1 Discussion Sheet - 2711A1 Discussion Sheet SHORT...

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