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Data Center University Associate Certification Questions 81–85 (page: 18)

Updated On: 9-Feb-2026

Given an electrical load of 300 kW, which three UPS systems would represent an "N" configuration? (Choose three.)

  1. 1 UPS capable of supplying 400 kW
  2. 2 UPSs paralleled; each UPS capable of 200 kW
  3. 3 UPSs paralleled; each UPS capable of 150 kW
  4. 4 UPSs paralleled; each UPS capable of 75 kW
  5. 5 UPSs paralleled; each UPS capable of 100 kW

Answer(s): A,B,D



What is the problem with oversizing the UPS system within a data center?

  1. It limits the growth capacity of the data center.
  2. It decreases the mean time to recover (MTTR).
  3. It increases the number of single points of failure.
  4. It drives excessive capital and maintenance expenses.

Answer(s): D



What are two advantages that the isolated redundant configuration has over a capacity configuration? (Choose two.)

  1. The isolated redundant configuration has a lower operating cost than a capacity design.
  2. The isolated redundant configuration provides redundancy but the capacity configuration does not.
  3. The isolated redundant configuration can scale to larger capacities than the capacity configuration.
  4. The isolated redundant configuration allows multiple vendor UPSs. The capacity configuration must use the same UPS manufacturers.

Answer(s): B,D



What allows you to support single-corded loads in a 2N UPS redundant configuration?

  1. DC disconnect
  2. Transfer switch
  3. Static bypass switch
  4. Wrap around external bypass

Answer(s): B



Which statement describes the system + system redundant configuration?

  1. Identical UPS systems are required.
  2. It is the most expensive configuration.
  3. Only single corded loads can be supported.
  4. Design capacities are much smaller than other configurations.

Answer(s): B



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