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Answers:

  1. Which of the following is a benefit associated with power management in the data center?   
  1. Improved uptime
  2. Lower operational costs  
  3. Increased Scalability
  4. All of the above
  1. There is often very little lag time between downtime and major financial trouble.
  1. True
  2. False
  1. What do colocation data centers typically require for their power management systems?
  1. Speed of deployment
  2. Scalability with redundancy
  3. Included predictive analytics
  4. Ease of installation
  5. All of the above
  1. Which of the following applications would three-phase power distribution be used for?
  1. Home or residence
  2. Large multi-tenant facility
  3. Network closet for a small business
  4. All of the above
  1. What is the chief function of an uninterruptable power system (UPS)?
  1. Distribute electric power
  2. Monitor electric power
  3. Provide backup power
  4. Provide clean power
  1. What is the leading cause of load loss within a UPS?
  1. Power supply
  2. Capacitor
  3. Battery
  4. Fan
  1. The Institute of Electrical and Electronics Engineers (IEEE) defines “end of useful life” for a UPS battery as being the point when it can no longer supply what percent of its rated capacity in ampere-hours?
  1. 50%
  2. 60%
  3. 70%
  4. 80%
  1. What part of a data center UPS is the most temperature-sensitive?
  1. Power Module
  2. Battery
  3. Harmonic filter
  4. Static switch
  1. Power monitoring software can allow IT managers to monitor UPSs, but not power distribution units (PDUs)?
  1. True
  2. False
  1. Most UPS products today use what type of batteries to store emergency standby power?
  1. Lead acid
  2. Nickel cadmium  
  3. Lithium-ion  
  1. Which of the following is a primary benefit of lithium-ion batteries in UPSs?
  1. Compact form factor
  2. Reduced weight
  3. Longer lifespan
  4. All of the above
  1. Lithium-ion battery systems must include a built-in management system.
  1. True
  2. False
  1. Ideally, cool supply air is drawn into what part of an enclosure?
  1. The front
  2. The back
  3. The top
  4. All of the above
  1. How much space should typically go between each rack or enclosure in the data center?
  1. A couple of inches.
  2. A couple of feet.
  3. A lot. They need separate rooms.
  4. None. They should be side by side.
  1. Which of the following is a primary benefit associated with rack PDUs?
  1. Improves reliability
  2. Helps reduce cooling costs via improved cable management
  3. Simplifies maintenance and upgrades
  4. All of the above
  1. What’s the highest level of efficiency users can achieve with a UPS system?
  1. 101%
  2. 100%
  3. 99%
  4. 97%
  1. Virtualized power management systems usually require longer battery backup.
  1. True
  2. False
  1. Which of the following is NOT a typical characteristic of an edge data center?
  1. Local to the area it serves
  2. Mission critical
  3. Very large in size
  4. Part of a network connection
  1. What are typical requirements for an edge data center’s power management system?
  1. Small footprint
  2. Color LCD display
  3. Remote monitoring
  4. 1 hour+ backup times
  5. A & C
  6. B & D
  1. Which new application has the most impact on data center power requirements?
  1. Internet of things (IoT)
  2. 5G cellular data transmission
  3. Driverless cars
  4. Artificial Intelligence (AI)

 

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