A Datacenter's Redundant PDUs Were Recently Upgraded

question 279

Multiple Choice

A datacenter's redundant PDUs were recently upgraded. Each server rack is connected to the datacenter's PDUs. While testing power redundancy, one of the datacenter PDUs was turned off, and a server rack lost power completely. Which of the following scenarios BEST describes the problem?

• A) The rack-mounted PDU was defective.
• B) The UPS was not connected.
• C) The server rack shut down due to bad UPS batteries.
• D) Both rack PDUs were connected to the same circuit.

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Definitions:

Differential Gene

A gene that is expressed in different amounts or by different mechanisms in response to environmental or developmental stimuli.

Genetic Variation

The diversity in gene frequencies within a population, which can result from mutation, sexual reproduction, and other processes.

Somatic Cells

Any cell of a living organism other than the reproductive cells; they make up the body's organs, skin, bones, and blood.

Cell Specialization

The process by which generic cells develop into specific types of cells to perform unique functions in the body.