When Grid Power Goes Out, All Servers in a Rack

question 300

Multiple Choice

When grid power goes out, all servers in a rack lose power immediately. The server administrator confirms the servers have dual power supplies, which are connected to separate PDUs. Each of the PDUs is connected to a different UPS. Which of the following is the MOST likely cause of the problem?

• A) Both of the UPS devices were set for the wrong voltage.
• B) The power circuit was tripped on both PDUs.
• C) The server power supplies failed during the outage.
• D) The UPS batteries were discharged.

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Definitions:

Accounts Payable

The amount of money a company owes to its suppliers or creditors for goods and services purchased on credit.

Return On Assets

A financial ratio indicating how profitable a company is relative to its total assets, measuring efficiency in using assets to generate earnings.

Earnings Before Interest And Taxes

A financial metric indicating the profitability of a business before accounting for interest and tax expenses.

Excess Capacity

The situation in which a facility or operation can produce more than is being demanded by its customers.