CompTIA CompTIA A+ 220-801 Questions & Answers

• Question 951:

  When comparing analog display inputs to digital display inputs, which of the following is an advantage that digital has over analog?

  A. Allows for higher brightness

  B. More crosstalk

  C. Sustains higher resolutions

  D. Supports widescreen resolutions

  Correct Answer: C

  Digital can sustain higher resolutions whereas analog display has limited resolution.

• Question 952:

  Which of the following characteristics BEST differentiates a Home Theatre PC from a CAD PC?

  A. Ability to play optical media

  B. Gigabit network connection

  C. Small form factor

  D. Ability to edit large files

  Correct Answer: C

  Home theater PC has a small form factor normally essentially a bookcase in a shelf styled computer that player audio and video. CAD PC needs a lot of muscle like vast amount of memory, video cards, and essentially other high performance parts. Therefore, the main difference between home theater PC and a CAD PC is the form factor which houses essential components.

• Question 953:

  Joe, a technician, installs a new Blu-Ray player via an external cable. The PC has previously had a USB 3.0 expansion card installed into its PCI Express slot. When Joe powers on the Blu-Ray player, he notices the "USB 2.0 Device" pop up in the Windows System Tray. Which of the following are probable causes? (Select TWO).

  A. A virus is attacking the USB 3.0 driver, forcing it to operate in USB 2.0 mode only.

  B. The Blu-Ray player is plugged into the wrong port on the back of the PC.

  C. The Blu-Ray player was mistakenly plugged into the FireWire port.

  D. The Bluetooth connection from a nearby mobile device is interfering with the Blu- Ray player.

  E. The Blu-Ray player had a DVD loaded into it and this caused the computer to malfunction.

  F. The technician that installed the USB 3.0 expansion card forgot to install the USB 3.0 driver.

  Correct Answer: BF

  The possible causes might be that the Blu-ray players was plugged into the firewire port mistakenly or the technician that installed USB 3.0 expansion card forgot to install the drivers for it.

• Question 954:

  A customer has asked for the ability to operate dual digital monitors. Which of the following is the BEST solution for accomplishing this?

  A. Split the onboard video port.

  B. Update the video drivers to allow for multiple monitors.

  C. Add an adaptor to the onboard VGA port.

  D. Install a video card with multiple DVI ports.

  Correct Answer: D

  Dual digital monitors can be easily setup by using a video card with multiple DVI ports. You can set up as many monitors as the DVI ports on the video card allow you to do so.

• Question 955:

  Which of the following requires a MINIMUM of four hard drives?

  A. RAID 0

  B. RAID 1

  C. RAID 5

  D. RAID 10

  Correct Answer: D

  Reference. http://www.pcworld.com/article/132877/RAID.html (see RAID 1+0, 0+1, 10)

• Question 956:

  A composite cable connects to which of the following connectors?

  A. HDMI

  B. S-video

  C. DVI

  D. RCA

  Correct Answer: D

  Reference. http://www.webopedia.com/TERM/R/RCA_cable.html

• Question 957:

  -- Exhibit

  

  -- Exhibit -Please click on the exhibit button. Which of the following connector types is displayed?

  A. BNC

  B. Din-6

  C. DisplayPort

  D. DB-15

  Correct Answer: D

  Reference. http://www.winfordeng.com/products/con15.php

• Question 958:

  The SODIMM memory form factor is generally used in which of the following?

  A. Laptops

  B. Servers

  C. Desktops

  D. Workstations

  Correct Answer: A

  Reference. http://en.wikipedia.org/wiki/SO-DIMM

• Question 959:

  Which of the following should be used when building a high-end graphics workstation for CAD applications? (Select TWO).

  A. Main memory of 8 GB or more

  B. PCI-e video card with large amount of memory

  C. More than 4 accessible USB 2.0 ports

  D. A 32-bit OS to handle the large amount of expected disk I/O

  E. An eSATA external drive

  Correct Answer: AB

  CAD applications need high memory and CPU resources to function optimally. Therefore, 8 GB main memory and a PCI-e video card with big memory is needed to render the drawings optimally.

• Question 960:

  When a power supply does not meet minimum requirements for a motherboard, which of the following can happen?

  A. Computer will not POST

  B. Computer will overheat

  C. Monitor will not power on

  D. Processor will not run at proper speed

  Correct Answer: A

  When the power is not supplied to the motherboard, the computer will not start because it needs electricity to run. Hence, the computer will not POST (power on self test)