CompTIA CompTIA A+ 220-801 Questions & Answers

• Question 921:

  Which of the following technologies can be accessed through the DisplayPort? (Select TWO).

  A. USB

  B. SATA

  C. DVI

  D. FireWire

  E. HDMI

  Correct Answer: CE

  Reference. http://www.tomshardware.com/forum/390436-33-hdmi-display-port-hdmi

• Question 922:

  Which of the following is a standard Intel processor socket type?

  A. F

  B. 754

  C. 940

  D. LGA

  Correct Answer: D

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

• Question 923:

  Which of the following expansion slots is MOST commonly used for high-end video cards?

  A. PCI

  B. PCIe

  C. CNR

  D. AGP

  Correct Answer: B

  Reference. http://en.wikipedia.org/wiki/PCI_Express#External_PCIe_cards

• Question 924:

  Joe, a customer, requests that the desktop system he is buying is able to be used at his vacation home in another country, as well as his regular home. The technician is aware that the country mentioned has different power requirements. Which of the following should the technician ensure the desktop contains?

  A. Dual voltage options

  B. UPS

  C. Inverter

  D. Micro-ATX connector

  Correct Answer: A

  To make sure the computer doesn't get fried, install dual voltage options in a desktop so that it can cope with company's various power requirements.

• Question 925:

  A company is converting to LCD monitors and needs to properly dispose of all CRT monitors. Which of the following is an important consideration when disposing of CRT monitors?

  A. The materials within the cathode ray tube are harmful.

  B. They are heavier than LCD monitors and therefore require special disposal.

  C. The glass of the tube can easily break and cause serious injury.

  D. The rays of the cathode can cause blindness if someone is exposed.

  Correct Answer: A

  Reference. http://www.ecy.wa.gov/programs/hwtr/dangermat/electronic_waste_index.html

• Question 926:

  Which of the following are factors when designing a home theater PC?

  A. Wireless NIC

  B. Audio frequency

  C. Video refresh rate

  D. Video output

  Correct Answer: D

  Video output is the main factor in building a home theater PC. You need to connect the TV or a large display with a PC and HDMI, DVI outputs are needed to show the PC on the display screen.

• Question 927:

  Which of the following RAID types uses a drive mirroring algorithm? (Select TWO).

  A. RAID 0

  B. RAID 1

  C. RAID 5

  D. RAID 6

  E. RAID 10

  Correct Answer: BE

  Reference. http://searchstorage.techtarget.com/definition/RAID

• Question 928:

  Which of the following adapters causes the LEAST amount of signal loss?

  A. VGA to DVI

  B. HDMI to VGA

  C. DVI to HDMI

  D. S-video to RCA

  Correct Answer: C

  Reference. http://www.buzzle.com/articles/dvi-vs-hdmi-difference-between-dvi-and- hdmi.html (3rd para)

• Question 929:

  Which of the following devices would provide protection for electronic equipment in an area prone to intermittent, unstable power?

  A. Power strip

  B. Surge suppressor

  C. Uninterruptible power supply

  D. Line conditioner

  Correct Answer: C

  Reference. http://pcsupport.about.com/od/componentprofiles/p/ups_backup.htm

• Question 930:

  Which of the following RAM types supports triple channel configurations?

  A. RAMBUS

  B. DDR

  C. DDR3

  D. DDR2

  Correct Answer: C

  ReferencE. http://www.hardwaresecrets.com/printpage/Everything-You-Need-to- Know-About-the-Dual-Triple-and-Quad-Channel-Memory-Architectures/133