H12-411-ENU Questions And Answers


Exam Name: HCIA-Data Center Facility(Huawei Certified ICT Associate-Data Center Facility)

Updated: 2022-07-04

Q & A: 185

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There are 185 Questions and answers which are all valid for real Huawei H12-411-ENU exam.

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Question No : 1

Which of the following is advantages of the UPS 2N system? (Multiple choice) A. Power supply redundancy B. The UPS system can be serviced without switching the load to maintenance bypass mode C. no single path fault point D. numerous redundant components, high cost
Answer: ABC

Question No : 2

Valve-regulated lead-acid battery safety valve has ( ) function. (Multiple choice) A. Adjust the battery pressure inside and outside B. filter acid mist C. Flame retardant D. Anti-battery internal pollution
Answer: ABD

Question No : 3

Which of the following Humidifier is used in Huawei row-level precision air conditioning? A. Infrared humidifier B. electrode humidifier C. High pressure spray humidifier D. Ultrasonic humidifier
Answer: B

Question No : 4

Battery slot of lead-acid battery is used to hold the electrolyte, plates, partitions, and so on. A. True B. False
Answer: A

Question No : 5

Which of the following funcation is supported by Huawei NetEco monitoring system? (Multiple choice) A. Configuration Management B. Alarm Management C. Access Management D. Battery monitoring
Answer: ABCD

Question No : 6

In low-voltage power distribution systems, the role of the PE line is to provide a return path for the fault current in the event of a power system failure. A. True B. False
Answer: A

Question No : 7

Which of the following communication interface transfer rate is the fastest? A. RS232 B. RS422 C. RS485 D. FE
Answer: D

Question No : 8

Huawei dynamic environment monitoring system's components have ( ). (Multiple choice) A. NetEco server B. ECC800 C. Smart ETH socket D. Skylight actuator
Answer: ABCD

Question No : 9

High sensible heat ratio is the only difference between a precision air conditioner and a residential air conditioner. A. True B. False
Answer: B

Question No : 10

When using the PoE (Power over Ethernet) interface, there are two functions of passing and supplying power. A. True B. False
Answer: A

Question No : 11

The type of compressor used by Huawei air-cooled precision air conditioner is ( ). A. Screw type B. Centrifugal C. Scroll D. Reciprocating
Answer: C

Question No : 12

Which fire extinguishing agent is mainly used in data center fire protection system? A. Heptafluoropropane B. water C. Haloalkanes D. Halon 1301
Answer: A

Question No : 13

Compressor is the heart of the refrigeration cycle, is the power plant of the refrigerant in the system inner loop, the low temperature and low pressure steam from the evaporator is compressed into high temperature and pressure steam. A. True B. False
Answer: A
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28 May, 2020

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09 Feb, 2020

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01 Nov, 2019

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18 Oct, 2018

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11 Jun, 2018

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