A System of Computer Servers Has Three Parts with Reliabilities

question 57

Multiple Choice

A system of computer servers has three parts with reliabilities of 0.89,0.79,and 0.79.In order to improve the reliability,Parts 2 and 3 have backups with corresponding of reliability of 0.95 and 0.96.Compute the composite reliability of the server system.

• A)0.78
• B)0.68
• C)0.87
• D)0.44

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Definitions:

Efficiency

The ability to accomplish a task or produce a desired outcome with the least waste of time and effort.

Bad News

Unfavorable information or updates that need to be communicated.

Direct Approach

A communication style that is straightforward and to the point, without circumvention or ambiguity.

Negative Message

Communication that conveys unpleasant, disappointing, or adverse information to the recipient.