DU0-001 Exam Questions
240 real DU0-001 exam questions with expert-verified answers and explanations. Page 1 of 5.
- Question #1
What are two advantages of the line interactive UPS? (Choose two.)
- Question #2
Which UPS topology uses a transfer switch between the primary power source and the inverter?
- Question #3
Which UPS topology is most commonly used to protect small business and departmental servers where voltage regulation is required?
- Question #4
What is the primary purpose of a UPS?
- Question #5
What is the main function of a UPS?
- Question #6
What is a function of a transformer in a line interactive UPS?
- Question #7
Which component of a line interactive UPS increases its battery life?
- Question #8
How long is the transfer to battery time for a double conversion online UPS?
- Question #9
What are two key characteristics of a UPS? (Choose two.)
- Question #10
Which two characteristics do all static UPS topologies share? (Choose two.)
- Question #11
What is the primary difference between double conversion and delta conversion UPS systems?
- Question #12
Which are three examples of "what you know" access control? (Choose three.)
- Question #13
Which two would be used for biometric access control? (Choose two.)
- Question #14
What are two common UPS topologies? (Choose two.)
- Question #15
Which statement describes a three-phase power source?
- Question #16
How many amps is a NEMA 5-30R receptacle rated to support?
- Question #17
Which three key components make up a three-phase stationary power distribution unit? (Choose three.)
- Question #18
Which statement defines "service entrance"?
- Question #19
What are three transformer types? (Choose three.)
- Question #20
What is a fundamental purpose of a step-up or step-down transformer?
- Question #21
What defines a delta to wye transformer?
- Question #22
Which two factors contribute to the amount of noise an electrical circuit contains within a building infrastructure? (Choose two.)
- Question #23
What are two circuit breaker types found in a building or data center? (Choose two.)
- Question #24
What defines a sub-panel?
- Question #25
What are three components of power distribution? (Choose three.)
- Question #26
Which statement is a recognized characteristic of single-phase power?
- Question #27
Which statement illustrates a characteristic of nominal voltage?
- Question #28
Which power distribution component is closest to the data center IT load?
- Question #29
What are three core components of a standby generator? (Choose three.)
- Question #30
Which three fuels are used to power a generator? (Choose three.)
- Question #31
For reliable generator operation, what are two critical elements of the prime mover? (Choose two.)
- Question #32
Which three choices minimize the amount of noise pollution resulting from the operation of a standby generator?
- Question #33
Standby generators typically use which type of engine?
- Question #34
What is an advantage of using a diesel fuel source for a standby generator?
- Question #35
What is an advantage of using natural gas as a fuel source for a standby generator?
- Question #36
What is the purpose of the alternator as a primary component of a standby generator?
- Question #37
What is the purpose of the voltage regulator as a component of a standby generator?
- Question #38
Which three preventative maintenance activities are required to ensure reliability of a standby generator and automatic transfer switch? (Choose three.)
- Question #39
Which three critical functions does grounding serve for a standby generator? (Choose three.)
- Question #40
Click the Exhibit. In the exhibit, which component is represented by the box with the arrow?
- Question #41
Which NCPI component protects the data center during long duration outages (several hours to days)?
- Question #42
What aspect of standby power generation is highly regulated by governmental bodies?
- Question #43
Given an electrical load of 300 kW, which three UPS systems would represent an "N" configuration? (Choose three.)
- Question #44
What is the problem with oversizing the UPS system within a data center?
- Question #45
What are two advantages that the isolated redundant configuration has over a capacity configuration? (Choose two.)
- Question #46
What allows you to support single-corded loads in a 2N UPS redundant configuration?
- Question #47
Which statement describes the system + system redundant configuration?
- Question #48
A UPS system consists of three modules in a parallel redundant configuration. Each module is rated to provide 200 kW of power.If the electrical load grows from 350 kW to 420 kW, wh...
- Question #49
Which UPS configuration has the highest availability?
- Question #50
Which two should be used as a basis for determining the UPS redundancy configuration? (Choose two.)