A Network Has Three Independent File Servers, Each with 90

question 27

Multiple Choice

A network has three independent file servers, each with 90 percent reliability. The probability that the network will be functioning correctly (at least one server is working) at a given time is:

• A)99.9 percent.
• B)97.2 percent.
• C)95.9 percent.
• D)72.9 percent.

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Definitions:

Percentage-Of-Completion

An accounting method that recognizes revenues and expenses in proportion to the completion of a contracted work or project.

Economic Substance

The underlying economic reality of a transaction which determines its legal and tax implications, regardless of its form.

Inventory Value

The total cost assigned to goods and materials held in stock by a business at a specific point in time.

Percentage-Of-Completion

An accounting method used to recognize revenue and expenses of long-term projects proportionally with the degree of completion.