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FC0-U21 Latest Exam (Sep 2017)

[Free] 2017(Sep) EnsurePass Examcollection CompTIA FC0-U21 Dumps with VCE and PDF 121-130

September 17, 2017

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2017 Sep CompTIA Official New Released FC0-U21
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CompTIA Strata IT Fundamentals

Question No: 121 – (Topic 2)

Which of the following statements are true about a surge suppressor?

Each correct answer represents a complete solution. Choose all that apply.

  1. It is an electrical apparatus that provides emergency power to a load when the input power source, typically the utility mains, fails.

  2. It protects systems from lightning, the most familiar source of power surges.

  3. It is an appliance designed to protect electrical devices from voltage spikes.

  4. It attempts to regulate the voltage supplied to an electric device by either blocking or by shorting to ground voltages above a safe threshold.

Answer: C,D

Question No: 122 – (Topic 2)

What are the differences between the microprocessor of a desktop and that of a laptop? Each correct answer represents a complete solution. Choose two.

  1. A laptop microprocessor consumes less power than a desktop microprocessor does.

  2. Unlike laptop microprocessors, a desktop microprocessor has side buses (FSB).

  3. A laptop microprocessor generates less heat than a desktop microprocessor does.

  4. A laptop microprocessor has slower processing speed than a desktop microprocessor has.

Answer: A,C

Question No: 123 DRAG DROP – (Topic 2)

Drag and drop the steps in the correct order to troubleshoot the problem effectively.

Ensurepass 2017 PDF and VCE

Answer:

Ensurepass 2017 PDF and VCE

Question No: 124 – (Topic 2)

Mark has a file named DATA.TXT on the C. drive on his computer. He wants to set the hidden attribute on the file. Which of the following commands will he use to accomplish this task?

  1. ATTRIB -h DATA.TXT

  2. ATTRIB -A DATA.TXT

  3. ATTRIB h DATA.TXT

  4. ATTRIB /hidden DATA.TXT

Answer: C

Question No: 125 – (Topic 2)

Which of the following refers to an undervoltage condition that lasts for a very short period of time?

  1. Surge

  2. Blackout

  3. Spike

  4. Sag

Answer: D

Question No: 126 – (Topic 2)

Which of the following switches of the XCOPY command continues to copy files even if errors occur?

  1. /e

  2. /q

  3. /c

  4. /r

Answer: C

Question No: 127 – (Topic 2)

Which of the following is also known as MAC address?

  1. Host address

  2. Cluster address

  3. IP address

  4. Physical address

Answer: D

Question No: 128 – (Topic 2)

Which of the following is an acoustic-to-electric transducer or sensor that converts sound into an electrical signal?

  1. Walky-talky

  2. Modem

  3. Microphone

  4. Scanner

Answer: C

Question No: 129 – (Topic 2)

Which of the following wireless standards is known as Wi-Fi?

A. 802.11g B. 802.11a C. 802.11u D. 802.11b

Answer: D

Question No: 130 – (Topic 2)

Which of the following items will you not use to clean the keyboard of a laptop?

  1. Water and detergent

  2. Damp cloth

  3. A piece of clean cotton cloth

  4. Compressed air

Answer: A

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