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:

Input Shaft

The part of a machinery or system that takes in power or material for processing, commonly found in engines and transmissions.

Transmission Lube Level

The optimal amount of lubricant within a transmission system, crucial for smooth operation and preventing wear.

Overdrive Ratio

A gear ratio in which the output speed of a transmission is higher than the input speed, resulting in lower engine RPM and improved fuel efficiency at high speeds.