Huawei h12-411 practice test

HCIA Data Center Facility V1.0 Exam


Question 1

Access control system can only set whether the user can open the door, can not be set when to open
the door.

  • A. TRUE
  • B. FALSE
Answer:

B

Discussions

Question 2

Whare are UPS common working modes? (Multiple choice)

  • A. The main road inverter mode
  • B. Static bypass mode
  • C. Battery mode
  • D. Offline mode
Answer:

A, B, C

Discussions

Question 3

R410a refrigerant in the moment of spray out, can frostbite human skin and deeper muscles in a very
short period of time and cause frostbited dermal necrosis.

  • A. TRUE
  • B. FALSE
Answer:

A

Discussions

Question 4

What throttle devices does Huawei air-cooled precision air conditioning use? (Multiple choice)

  • A. Solenoid valve
  • B. Thermal expansion valve
  • C. Electronic expansion valve
  • D. Orifice
Answer:

B, C

Discussions

Question 5

When using PoE (Power over Ethernet) interface, it has two functions: communication and power
supply.

  • A. TRUE
  • B. FALSE
Answer:

A

Discussions

Question 6

The main monitoring objects of data center room monitoring system are power systems,
environmental systems, fire protection systems etc.

  • A. TRUE
  • B. FALSE
Answer:

A

Discussions

Question 7

In the main inverter modeT the inverter will change from main inverter to battery inverter mode
when overloaded.

  • A. TRUE
  • B. FALSE
Answer:

B

Discussions

Question 8

When the sunroof actuator senses a smoke alarmr it can not control the flip sunroof to open
automatically.

  • A. TRUE
  • B. FALSE
Answer:

B

Discussions

Question 9

Cryogenic components improve the continuous low pressure caused by low temperature start-up,
thus allowing the air conditioner to start up normally.

  • A. TRUE
  • B. FALSE
Answer:

A

Discussions

Question 10

Gas fire protection systems are fire extinguishing systems that inject gas (including steam, aerosol) as
a fire extinguishing medium.

  • A. TRUE
  • B. FALSE
Answer:

A

Discussions
To page 2