H12-411_V2.0 Exam Questions

Which of the following descriptions of the data center cooling system is wrong?

Which of the following belongs to air-cooled row-level air conditioner?

How many meters can the connecting pipe between the indoor and outdoor units of FusionModule800 air conditioner be shorter than to avoid refrigerant charging?

Which of the following words is the abbreviation of "S" in EHS?

According to the Data Center Design Specification (GB 50174-2017), which of the following levels does the data center infrastructure with redundancy requirements correspond to?

Which of the following components can absorb the moisture in the refrigeration system?

The system grounding form is TN-C. What does the first capital letter mean?

The cable model is ZRC-YJV-0.6/1kV-3?5mm? Which of the following is the meaning of YJV?

As the current frequency increases, how will the inductive reactance of the equipment change?

Which of the following is the relationship between the rated ultimate short-circuit breaking capacity ICU and the rated operating short-circuit breaking capacity ICS of the MCB cir...

In Huawei DC power supplies, which of the following is correct regarding the parameter settings of LLVD and BLVD?

In data center applications, when the city power fails, the battery supplies power to the load. What are the currents output by the battery and UPS?

A battery consists of 6 fixed valve-regulated sealed lead-acid battery cells connected in series, with a rated capacity of 150 Ah. Which of the following is the name of the battery...

Which of the following is not a main component of a lead-acid battery?

Which of the following air supply methods is mainly suitable for process air conditioning where there is a lot of waste heat to be removed from the lower working area?

In the power supply and distribution system of a data center, for which purpose is a low-voltage circuit breaker with three-stage protection characteristics used? (Multiple choice)

Which of the following air conditioners have condensers located outdoors? (Multiple choice)

Which of the following are functions of Huawei's DC power supply AC distribution unit?

What are the throttling devices used in Huawei's air-cooled precision air conditioners? (Multiple choice)

What are the communication methods currently used in dynamic environment monitoring systems? (Multiple choice)

What are the core components of the refrigeration system? (Multiple choice)

Which of the following data center cabinet related performances need to be considered when selecting a cabinet? (Multiple choice)

What functions can the dynamic environment monitoring system achieve? (Multiple choice)

During the construction process, what special equipment is required for nitrogen cylinder operation? (Multiple choice)

Which of the following are common names for grounding systems? (Multiple choice)

In Huawei DC power supplies, which of the following items can trigger the switching of battery charging mode? (Multiple choice)

Based on the degree of concentration of equipment, what types of air conditioning systems can be divided into? (Multiple choice)

Which of the following are the working modes of Huawei's indirect evaporative cooling air conditioner? (Multiple choice)

What are the components of Huawei's dynamic environment monitoring system? (Multiple choice)

What are the components of a lightning protection device? (Multiple choice)

During the construction process, when there are objects falling or impacting, what should be used? (Multiple choice)

Which of the following belongs to the interface? (Multiple choice)

Which of the following descriptions of UPS working modes are correct? (Multiple choice)

Which of the following batteries are secondary batteries? (Multiple choice)

What are the categories of dual power transfer switch ATS according to different transfer switch types? (Multiple choice)

Which of the following () models of air conditioners has an oil separator? (Multiple choice)

What systems does the computer room fire protection system mainly consist of? (Multiple choice)

What are the three major indicators of air conditioning? (Multiple choice)

What applications can the dynamic environment monitoring system be applied to? (Multiple choice)

What functions does Huawei's NETECO monitoring system support? (Multiple choice)

What functions can be realized in the access control system interface? (Multiple choice)

Which of the following are the switching types of ATS? (Multiple choice)

Based on the type of electrolyte, what types of lead-acid batteries can be divided into? (Multiple choice)

Which of the following are the functions of UPS? (Multiple choice)

While installing UPS, air conditioner and other equipment, which of the following personal protection measures are required? (Multiple choice)

Which of the following are components of Huawei's indirect evaporative cooling system? (Multiple choice)

Which of the following description of the rectifier components of high-frequency UPS is correct? (Multiple choice)

What scenarios are computer room air conditioners suitable for? (Multiple choice)

What functions does the valve-regulated sealed lead-acid battery safety valve have? (Multiple choice)

During the construction process, what should be used for low-voltage live work (below 1KV)? (Multiple choice)