CompTIA CompTIA A+ 220-801 Questions & Answers

• Question 971:

  Video editing workstations require the fastest hard drive access times with large storage capacity. Which of the following hard disk setups would be MOST ideal for the described computer?

  A. Two 500 GB SATA2 hard drives used in a JBOD array

  B. Two 500 GB SATA2 hard drives in a hardware RAID 0

  C. Two 500 GB SATA2 hard drives in a hardware RAID 1

  D. Two 500 GB SATA2 hard drives in a software RAID 0

  Correct Answer: B

  Reference. http://forums.mydigitallife.info/threads/12651-2x-200GB-SATA-I-Raid-0- v-s-single-500GB-SATA-II

• Question 972:

  Which of the following would allow for multiple computers to share a display and input devices?

  A. AGP video adapter

  B. KVM switch

  C. Portable TDR

  D. PCI video adapter

  Correct Answer: B

  Reference. http://www.prosum.net/en/products/kvm-switches

• Question 973:

  Which of the following expansion slots uses a serial connection?

  A. PCI

  B. PCI-X

  C. PCIe

  D. AGP

  Correct Answer: C

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

• Question 974:

  Which of the following devices transmits data to all ports regardless of final destination?

  A. Firewall

  B. Router

  C. Switch

  D. Hub

  Correct Answer: D

  Reference. http://computernetworkingnotes.com/comptia-n-plus-study- guide/network-devices-hub-switch-router.html (see Hub)

• Question 975:

  Which of the following uses a single connector to deliver both video and audio?

  A. DVI

  B. Serial

  C. VGA

  D. HDMI

  Correct Answer: D

  Reference. http://hometheater.about.com/od/hometheatervideobasics/qt/hdmifacts.htm

• Question 976:

  A technician is tasked with selecting components to build a computer that will be used for computer-aided drafting and computer aided modeling. Which of the following components are the BEST choices? (Select TWO).

  A. Triple channel memory

  B. MIDI sound card

  C. Socket 1156 motherboard

  D. Onboard graphics

  E. Socket 1366 CPU

  Correct Answer: AE

  Reference. http://www.tomshardware.com/forum/306223-28-socket-1155-1366 http://www.tomshardware.com/forum/292783-30-triple-channel-dual-channel

• Question 977:

  Which of the following panel types would allow for the THINNEST possible display monitor?

  A. LED

  B. CRT

  C. DLP

  D. Plasma

  Correct Answer: A

  Reference. http://electronics.howstuffworks.com/difference-between-lcd-and-led.htm

• Question 978:

  To configure two drives for MAXIMUM performance, which of the following RAID types should be used?

  A. RAID 0

  B. RAID 1

  C. RAID 5

  D. RAID 10

  Correct Answer: A

  Reference. http://www.adaptec.com/nr/rdonlyres/874d145e-f64f-4804-9e27- 037bc5a9dce0/0/3994_raid_whichone_v112.pdf

• Question 979:

  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

  Correct Answer: A

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

• Question 980:

  Which of the following expansion cards would MOST likely have the requirements of utilizing a direct auxiliary 6-pin power plug to operate properly?

  A. PCI Express RAID card

  B. PCI Express video card

  C. PCI Express FireWire card

  D. PCI Express LAN card

  Correct Answer: B

  Reference. http://www.tomshardware.com/reviews/power-supply-specifications-atx- reference,3061-12.html