CompTIA 220-801 Online Practice Questions and Exam Preparation

CompTIA 220-801 Online Questions & Answers

• Question 351:

  Which of the following items describes the function of an inverter module used in a laptop?

  A. Supplies DC to the backlight
  B. Supplies AC to the LED panel
  C. Converts AC to DC for the backlight
  D. Converts DC to AC for the backlight
  D. Converts DC to AC for the backlight

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  Reference. http://www.wisegeek.com/what-is-a-laptop-inverter.htm

• Question 352:

  Which of the following 802.11 standards has the MAXIMUM throughput of 11 Mbps?

  A. A
  B. B
  C. G
  D. N
  B. B

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  Reference. http://en.wikipedia.org/wiki/IEEE_802.11

• Question 353:

  A printer is not pulling paper out of the paper tray. Which of the following is the MOST possible cause of the problem?

  A. Pickup rollers
  B. Print head
  C. Drum
  D. Fuser
  A. Pickup rollers

• Question 354:

  Modern laptop screens are much brighter because of advances in which of the following technologies?

  A. LED
  B. Batteries
  C. Inverter
  D. Plasma
  A. LED

• Question 355:

  A user is watching streaming video on a home network, but experiences buffering and delays when there are too many people on the network. Which of the following is MOST likely to resolve the issue?

  A. Disable SSID broadcast
  B. Setup UPnP
  C. Enable QoS
  D. Configure DMZ
  C. Enable QoS

• Question 356:

  Which of the following interfaces are used to simultaneously transfer video and audio at high rates?

  A. HDMI
  B. DVI-D
  C. S-Video
  D. DVI-I
  A. HDMI

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  Reference. http://en.wikipedia.org/wiki/HDMI

• Question 357:

  Which of the following RAID configurations has a single point of failure?

  B. 1
  C. 5
  D. 10
  A

• Question 358:

  Which of the following wireless networking standards can operate at two different frequencies simultaneously?

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

• Question 359:

  The technician has identified prohibited content on a PC. Which of the following would be the FIRST action that the technician should take?

  A. Walk away
  B. Turn off the PC
  C. Report it
  D. Search for more
  C. Report it

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  Report the content to higher authorities in your organization. They will take care of it.

• Question 360:

  A workgroup of five PCs uses a shared printer. A customer says they cannot print to the printer but can access shares on another PC used for common files. The printer appears to be powered on. Which of the following would be the MOST likely cause of the issue?

  A. Printer PC is off network
  B. Printer is low on toner
  C. Printer needs to be restarted
  D. Device drivers are corrupted
  A. Printer PC is off network

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  IT seems that the problem is related to network. The Printer PC is off the network since it cannot print to the printer but can access shares on other PCs on the network.