Practice Free H12-461_V1.0-ENU Exam Online Questions
Which of the following is an N+1 scenario involving spanning multiple rows?
A)
B)
C)
D)
- A . Option A
- B . Option B
- C . Option C
- D . Option D
Which of the following statements about calculating air conditioning cooling load are wrong? (Multiple choice)
- A . The air conditioning cooling load includes the heat generated by various components of the data center and heat sources in the surrounding environment.
- B . The heat generated by the UPS is a major heat load for the data center.
- C . Heat generated by low-voltage power distribution equipment = Total active power of the heat system (kW) * (1-99.%)
- D . Generally, unless otherwise specified, the concurrent load factor is set to 0.
To achieve continuous cooling in a water-side natural cooling air conditioning system (secondary pump system), which of the following devices require UPS power supply? (Multiple choice)
- A . Chilled water primary pump
- B . Chilled water secondary pump
- C . Cooling tower fan
- D . Air conditioning terminal fan
The CLF value of Huawei’s indirect evaporative cooling system is 0.166.
- A . True
- B . False
Which statement about PDU is wrong?
- A . Power the air conditioner
- B . Power the module
- C . Gas controller power supply
In an intrusion alarm system, which of the following devices are alarm triggering devices? (Multiple choice)
- A . Infrared beam
- B . Alarm button
- C . Alarm control panel
- D . Audible and visual alarm
According to the data center demand analysis methodology, the demand for total cooling capacity belongs to the IT facility demand.
- A . True
- B . False
In a UPS5000 configuration, the power supply reliability level does not need to be selected.
- A . True
- B . False
Which of the following descriptions of key points regarding water-side natural cooling design is wrong?
- A . Increasing the supply and return temperatures of chilled water can increase the natural cooling operating time.
- B . If ethylene glycol solution is used in the cooling water supply, the head of the cooling water pump should be increased appropriately.
- C . Both the chiller and water pumps use variable frequency control, which enables greater energy savings during partial load periods.
- D . The cooling water pipes do not directly supply the air conditioning terminals, therefore insulation is not required.
In the Uptime standard, TIERIV is the only data center class that requires continuous cooling.
- A . True
- B . False