Practice Free H12-461_V1.0-ENU Exam Online Questions
During the system planning phase of the refrigeration system, all requirements planning information must be provided, and the selection of the refrigeration system must meet the requirements for refrigeration space, power supply, safety, floor load, grounding, and electrical protection.
- A . True
- B . False
Compared with the same-flow air conditioning water system, the reverse-flow system has a simpler piping configuration, consumes less piping material, and requires less investment in piping materials.
- A . True
- B . False
When selecting diesel generators for Uptime Tier III or Tier IV data centers, the generators must not have any limitations on continuous operating time.
- A . True
- B . False
When building a new Uptime Tier III data center, the minimum UPS system configuration requirement is "2N".
- A . True
- B . False
FusionDC achieves a PUE of 1.15 in indirect evaporative cooling scenarios.
- A . True
- B . False
If a system is configured with a 15-minute battery backup time, what should be the battery cell discharge cutoff voltage?
- A . 1.75V
- B . 1.80V
- C . 1.67V
- D . 1.60V
Which statement about plate heat exchangers in a water-side natural cooling system is correct?
- A . The number of heat exchangers should be consistent with the number of chilled water units.
- B . Plate heat exchangers are more difficult to maintain than brazed heat exchangers.
- C . Plate heat exchangers have higher heat exchange efficiency than brazed heat exchangers.
- D . The heat exchange capacity of a plate heat exchanger cannot exceed the cooling capacity of the chiller unit connected in parallel with it.
During the planning and consulting phase of a data center, the RIQ model identified market risk as being located in the Deiba quadrant and construction risk as being located in the fourth quadrant.
Which of the following descriptions of risk response measures are correct? (Multiple choice)
- A . Analyze market risks, identify key aspects, and develop a reasonable business marketing plan to address them.
- B . Conduct an overall economic assessment of market risk and calculate the reserve fund for risk.
- C . Develop a risk mitigation plan for the risks involved in the construction process.
- D . Conduct schedule and economic assessments of risks during the construction phase and develop contingency alternatives and plans.
During the planning and consultation phase of a new data center project, the client expects a return on investment of 13% and a payback period of 7 years, with fixed asset depreciation over a period of 10 years.
Which of the following four site selection options has the best economic assessment?
- A . The regional data center investment return rate is 10%, with a payback period of 15 years.
- B . The regional data center investment return rate is 10%, with a payback period of 5 years.
- C . The regional data center investment return rate is 15%, with a payback period of 7 years.
- D . The regional data center investment return rate is 15%, with a payback period of 6 years.
Choosing the "phased and on-demand expansion" method for data center power distribution system capacity planning helps reduce the uncertainty of power distribution capacity growth.
- A . True
- B . False
