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Exam 220-1001 topic 1 question 11 discussion

Actual exam question from CompTIA's 220-1001
Question #: 11
Topic #: 1
[All 220-1001 Questions]

A technician is determining the specifications for a desktop computer that will be used at trade shows all over the world. The computer will have the maximum amount of RAM. The CPU, GPU, and storage will be typical of a business workstation.
Which of the following system parameters is the MOST important for the technician to consider when choosing a power supply?

  • A. Input voltage
  • B. Efficiency rating
  • C. 12V rail amperage
  • D. Number of SATA connectors
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Suggested Answer: A 🗳️
by MrCompTIA at Nov. 25, 2019, 3:48 p.m.

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MrCompTIA
CompTIA Specialist Highly Voted 5 years, 7 months ago
It's extremely important to train whoever is using the Workstation on making sure the appropriate voltage is used depending on the location. A good surge protector and if neccesary adapter are extremley important. The wrong voltage could fry a computer in seconds or worse, shock someone when they touch the back of the case. Some Power Supplies come with voltage switches but many countries have different adaptors and requirements. Due dilligence is neccesary for the Tech to protect the person using this device.
upvoted 14 times
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NewpMej
Most Recent 1 year, 5 months ago
I'm wondering why no one considered B - the Efficiency rating
upvoted 2 times
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sbubba
3 years, 4 months ago
That's so misleading with RAM and CPU mentions, it's just the 120-240 switch on the PSU
upvoted 2 times
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Sully789
3 years, 8 months ago
The answer is input voltage because the technician is traveling across the world and would be using adaptors to use power.
upvoted 4 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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