An Activity on a PERT Network Has These Time Estimates

question 94

Multiple Choice

An activity on a PERT network has these time estimates: optimistic = 1, most likely = 2, and pessimistic = 5. Its expected time is

• A) 2.00.
• B) 2.33.
• C) 2.67.
• D) 8.00.
• E) 23.3.

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Definitions:

Backup

Backup refers to the process of copying and archiving computer data so it may be used to restore the original after a data loss event.

System Reliability

The probability that a system will perform its intended function adequately for a specified period under the given conditions.

Redundant Component

A component in a system that is not essential for immediate function but serves as a backup to increase reliability.

System Reliability

The probability that a system will perform its required functions without failure under stated conditions for a specified period of time.