Huawei H12-411_V2.0 Exam Practice Test Instant Access

Question 1

() is a fire detector that detects smoke particles.

Atemperature detector
B VESDA

CSmoke detector

Dsound and light alarm

Answer : C

Question 2

The following air conditioning, which is comfort air conditioning?

Aroom dedicated air conditioning
B Clean air conditioning

CCommercial air conditioners

DMedical air conditioning

Answer : C

Question 3

Which of the following statements about the battery is wrong:

AThe battery room should prevent the temperature from being too high to prevent thermal runaway.

BThe reason for the swelling of the battery is that the pressure becomes higher due to excessive gas evolution.

CWhen the battery reaches the end of its service life, it does not require special treatment and can be sold directly to scrap for recycling.

DWhen the battery leaks, do not touch it directly with your hands.

Answer : C

Question 4

In the data center power supply and distribution system, the low-voltage circuit breaker with three-stage protection feature is used for.

APrevent branch circuit short circuit caused by branch circuit overload

BPrevent the main circuit from being overloaded due to the short circuit of the branch circuit

CPrevent the main circuit from breaking due to branch circuit breaking

DPrevent the main circuit from breaking due to a short circuit in the branch circuit

Answer : B, D

Question 5

UPS systematic N+X System ratio 2N The power supply guarantee level of the system is higher.

ATrue

BFalse

Answer : B

Question 6

The function of the following ____________ components is to help return oil.

See Below Explanation:

Answer : A

Question 7

____________ is a fire detector that detects smoke particles.

See Below Explanation:

Answer : A

Huawei H12-411_V2.0 HCIA-Data Center Facility V2.0 Exam Practice Test