DU0-001 Online Practice Questions and Answers

Click the Exhibit button.

Which air distribution method is displayed in the exhibit?

A. Flooded supply, flooded return

B. Flooded supply, fully ducted return

C. Flooded supply, locally ducted return

D. Locally ducted supply, flooded return

What is the purpose of grounding?

A. To protect against electric shock

B. To step down 208 V power to 120 V power

C. To maintain the voltage during neutral wire bonding

D. To provide a path for the Ground Fault Interrupt (GFI) circuit

What allows you to support single-corded loads in a 2N UPS redundant configuration?

A. DC disconnect

B. Transfer switch

C. Static bypass switch

D. Wrap around external bypass

Which is an example of a row-oriented cooling architecture?

A. Each cooling unit works to cool the load through a raised floor plenum.

B. Each cooling unit is ceiling mounted and targets cool air to the cold aisles.

C. Each cooling unit works directly to cool the heat load of a specific equipment rack.

D. Each cooling unit is placed along the data center wall and cools the general air space.

Why will touching a doorknob after walking across a carpet only cause a slightly painful spark, but touching a live utility wire inside the data center could cause death?

A. The utility company's voltage is much higher than that of the spark.

B. The spark generates DC power but the utility company generates AC power.

C. The current available from a spark is much less than the current available from the utility company.

D. The human skin has a high enough resistance to keep from being hurt from the spark's voltage but not from the utility company's voltage.

You are asked to assess a data center's risk of fire. Upon a visual inspection of the data center you notice several areas of concern.

Which two should you address? (Choose two.)

A. Acoustic foam

B. Trash receptacle

C. Plenum rated cables

D. Recessed sprinkler heads

Which of the following is an example of equipment that would be monitored by a building management system (BMS) ?

A. A network router

B. A telephone switch

C. A data center server

D. A comfort-air conditioning system

Which two does the network-critical physical infrastructure (NCPI) management system monitor at the rack level? (Choose two.)

A. The monitoring of a chiller at the rack level.

B. The monitoring of comfort cooling at the rack level.

C. The monitoring of supplemental cooling devices at the rack level.

D. The monitoring of rack based transfer switches at the rack level.

What represents the optimum scenario for investing in network-critical physical infrastructure (NCPI) technologies?

A. NCPI cost is low and the risk/cost of downtime is high.

B. NCPI cost is high and the risk/cost of downtime is low.

C. The projected cost of downtime has not yet been established.

D. Oversize the initial NCPI investment to minimize the possibility of downtime.

What is the major weakness of a bar code card system?

A. The cards are expensive.

B. The cards interfere with RFID systems.

C. It is relatively easy to duplicate the cards.

D. Running a magnet next to a card reader will disrupt the accuracy of the reader.