Practice Free H12-461_V1.0-ENU Exam Online Questions
When building a new Uptime Tier III data center, UPS system configuration needs to be considered. Which of the following is the minimum requirement for UPS system configuration for this level of data center?
- A . N
- B . N+1
- C . 2N
- D . 2(N+1)
A high-density data center uses a chilled water air conditioning system. The data center’s reliability is rated at Tier IV. Which of the following statements about the configuration of this air conditioning system is wrong?
- A . The chilled water circulation pump requires an uninterruptible power supply.
- B . The chiller unit must be powered by an uninterruptible power supply.
- C . The chilled water terminal needs to be powered by a UPS.
- D . A cold storage tank needs to be installed in the air conditioning system.
When constructing a computer room, if the required level is GB50174-B, then the IT load must be configured with two active power supply paths.
- A . True
- B . False
A data center is built according to GB50174-A standard. Regarding the load classification description of this data center, which of the following is wrong?
- A . IT load is a particularly important load within the first-level load category.
- B . The chiller unit is at level one load.
- C . Secondary load of fire protection equipment in the computer room.
- D . The cooling tower and cooling water pump are at level one load.
When the moisture content in the air remains constant, the dew point temperature is a fixed value, while the relative humidity changes with temperature. Therefore, GB50174-2017 uses dew point temperature to represent the moisture content in the air.
- A . True
- B . False
Data center site selection needs to evaluate which of the following factors? (Multiple choice)
- A . Natural geographical conditions
- B . Supporting facilities
- C . Cost factors
- D . Building Structure
DCIM can solidify data center infrastructure operation and maintenance experience, simplify operation and maintenance processes, and improve data center operation and maintenance efficiency.
- A . True
- B . False
Under which conditions will the bypass module of a Huawei integrated UPS start operating? (Multiple choice)
- A . In ECO mode and when the bypass voltage is within the set range
- B . When both primary and backup ECMs malfunction.
- C . When the UPS is first powered on and the inverter is not turned on.
- D . Power module overload timeout situation
What is the reasonable discharge pressure range of the NETCOL5000-A air conditioner (in MPa)? (Multiple choice)
- A . 1.5C2.5 MPa (below 15°C)
- B . 1.5C3.1 MPa (15°CC35°C)
- C . 2.5C3.8 MPa (35°CC45°C)
- D . 3.1C4.15 MPa (above 45°C)