DU0-001 Online Practice Questions and Answers

Which air distribution method is displayed in this picture?

A. Fully ducted supply, flooded return

B. Flooded supply, fully ducted return

C. Flooded supply, locally ducted return

D. Locally ducted supply, flooded return

What are three power distribution components found in data centers? (Choose three.)

A. Ground loop

B. Branch circuit

C. Metered outlet strip

D. Power distribution unit (PDU)

E. Valve regulated lead acid (VRLA) battery

What are two advantages of the line interactive UPS? (Choose two.)

A. High reliability

B. High efficiency

C. High frequency control

D. Optimized for 10 kW and above

Which two ways does a transient voltage surge suppressor (TVSS) work? (Choose two.)

A. Absorbs transient energy

B. Short circuits the energy to ground

C. Closes the circuit and stops the energy flow

D. Compensates for the voltage change with battery power

Which two would cause a swell? (Choose two.)

A. Ground fault interrupt

B. Sudden load reductions

C. Single-phase fault in a three-phase system

D. Automatic transfer switch (ATS) transfer to secondary power

Why are dry chemical fire extinguishers a poor practice for data center fire protection?

A. They set off smoke alarms.

B. They are corrosive to IT equipment.

C. They cause condensation on equipment.

D. They are ineffective against electrical fires.

Which two elements should be included in an effective NCPI management system? (Choose two.)

A. Defining owner roles

B. Monitoring of network traffic

C. Communicating data storage thresholds

D. Identifying the impact of individual component problems

Which statement describes biometrics?

A. The design of ergonomic factors that affect data center efficiency

B. Data trending and analysis of the traffic passing a security check point

C. Access control based on a unique physical characteristic of an individual

D. Monitoring of environmental factors, such as heat and humidity, that affect data center personnel

When considering data center physical security, which two are examples of "what you know" ? (Choose two.)

A. Password typed at a card reader

B. Numbers punched into a coded lock

C. The procedure for obtaining a replacement smart card

D. The sequence of actions for entering and leaving a "man trap"

What is the primary feature of a smart card?

A. A picture

B. A bar code

C. A silicon chip

D. An expiration date