Latest [Nov 23, 2021] H12-411_V2.0 Exam Dumps - Valid and Updated Dumps
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NEW QUESTION 86
() is a fire detector that detects smoke particles.
- A. temperature detector
B VESDA - B. sound and light alarm
- C. Smoke detector
Answer: B
NEW QUESTION 87
____________ The main function is electric energy distribution, which distributes the front-end electric energy to various types of electrical equipment according to requirements, standards and specifications, such as ups, Air conditioning, lighting system, etc.
Answer:
Explanation:
Low-voltage power distribution system
NEW QUESTION 88
Dual power switch ATS According to different switch types, it can be divided into ____________ .
Answer:
Explanation:
standard switch, delay switch, closed switch
NEW QUESTION 89
ABC Circuit breakers are mainly used IT Load front end, such as ups Inside the output cabinet.
- A. False
- B. True
Answer: A
NEW QUESTION 90
____________ Not part of Huawei's monitoring system NETECO Provide monitoring functions.
Answer:
Explanation:
Software upgrade
NEW QUESTION 91
The dynamic environment monitoring system can be deployed in medium and large modular data centers, small modular data centers, container data centers, etc.
- A. False
- B. True
Answer: B
NEW QUESTION 92
____________ can be used as a side air outlet or as a lower air outlet.
Answer:
Explanation:
Double louvered air outlet
NEW QUESTION 93
The role of the lead-acid battery battery is to contain electrolyte, plates, separators, etc.
- A. False
- B. True
Answer: B
NEW QUESTION 94
The function of Huawei's chilled water air conditioner plug-in frame power supply is to provide a stable power supply for the fans.
- A. False
- B. True
Answer: B
NEW QUESTION 95
Exist UPS in the system, the most comprehensive description of the role of the inverter circuit is
____________ .
Answer:
Explanation:
converting the rectified DC voltage of the mains or the battery voltage into AC voltage
NEW QUESTION 96
At present, storage batteries are mainly installed in racks and cabinets in data centers.
- A. False
- B. True
Answer: B
NEW QUESTION 97
The following are interfaces:\.
- A. snmp
- B. modbus
- C. DB25
- D. RJ12
Answer: C,D
NEW QUESTION 98
The function of the following ____________ components is to help return oil.
Answer:
Explanation:
oil trap
NEW QUESTION 99
The following ____________ belong to the characteristics of water-cooled chilled water air conditioners.
Answer:
Explanation:
need to install a cooling tower, suitable for large and medium-sized data centers
NEW QUESTION 100
The following ____________ is correct 1A fixed valve-regulated sealed lead-acid battery 2VMonomer, the rated capacity is 800Ah.
Answer:
Explanation:
GFM-800
NEW QUESTION 101
Which of the following statements about the battery is wrong:
- A. The reason for the swelling of the battery is that the pressure becomes higher due to excessive gas evolution.
- B. When the battery reaches the end of its service life, it does not require special treatment and can be sold directly to scrap for recycling.
- C. When the battery leaks, do not touch it directly with your hands.
- D. The battery room should prevent the temperature from being too high to prevent thermal runaway.
Answer: B
NEW QUESTION 102
The main fire extinguishing agent used in the data center fire protection system is ____________ .
Answer:
Explanation:
heptafluoropropane
NEW QUESTION 103
When the battery electrolyte leaks, ____________ treatment is more appropriate.
Answer:
Explanation:
wipe it clean with a rag with gloves on, and check if it needs to be replaced
NEW QUESTION 104
Huawei Monitoring System NetEco Supports the concept of user groups, and implements role-based user group management. A user group is a group of user-level collections with the same operation permissions, and different user groups have different permissions.
- A. False
- B. True
Answer: B
NEW QUESTION 105
During the construction process, if there is an object falling or hitting, it should be used ____________ .
Answer:
Explanation:
safety helmet, anti-smashing shoes
NEW QUESTION 106
Use POE When interface, it has two functions of communication and power supply.
- A. False
- B. True
Answer: B
NEW QUESTION 107
Huawei Monitoring System NETECO Support video real-time browsing.
- A. False
- B. True
Answer: B
NEW QUESTION 108
The increase of cabinet power density will lead to the emergence of local hot spots in the computer room, and row-level air conditioners can solve local problems. The hot spot is too high.
- A. False
- B. True
Answer: B
NEW QUESTION 109
Regarding the description of the data center cooling system, the following ____________ is wrong.
Answer:
Explanation:
in the cabinet-level, row-level, and room-level cooling, the airflow path of the row-level cooling method is the shortest
NEW QUESTION 110
MCB The main functions of the circuit breaker include circuit breaker protection and overload protection.
- A. False
- B. True
Answer: B
NEW QUESTION 111
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