DU0-001 Online Practice Questions and Answers

What is the unit of measurement of the electrical current moving through a circuit?

A. Volt

B. Amp

C. Ohm

D. Frequency

Which UPS configuration presents the fewest single points of failure?

A. System + system

B. Parallel redundant

C. Isolated redundant

D. Distributed redundant

What are sudden high peak events that raise voltage or current?

A. IGBTs

B. Interruptions

C. Power factors

D. Impulsive transients

A planning challenge for data center managers is to find an NCPI solution that allows incremental purchases of necessary resources on short time frames. Which type of NCPI management is concerned with this challenge?

A. Change management

B. Incident management

C. Capacity management

D. Availability management

MTBF is presented in which form?

A. Hours

B. Percent

C. Distance

D. Currency

"The degree to which a system or component is operational and accessible when required for use" is the definition for which term?

A. Reliability

B. Availability

C. Serviceability

D. Maintainability

What is the greatest physical threat to a data center?

A. Fire

B. Dust

C. Water

D. People

Which two criteria make bar code cards a good choice? (Choose two.)

A. Low budget

B. Low security requirement

C. High security requirement

D. Frequently changing access privileges