CompTIA CompTIA A+ 220-801 Questions & Answers

• Question 801:

  A motherboard contains four memory slots. Two of the slots are colored blue and two of the slots are colored black. Which of the following would be the correct way to populate memory in the slots for best performance?

  A. Slower memory in both blue slots and faster memory in both black slots

  B. Memory that matches in speed and size in either both blue slots and both black slots

  C. Faster memory in both blue slots and slower memory in both black slots

  D. Place memory in either both black slots or both blue slots but not both at the same time

  Correct Answer: B

  Blue slots are for fast memory and black ones are for slower memory.

• Question 802:

  For best performance, a high-end graphics card should be installed in which of the following slots?

  A. PCIe x16

  B. AGP 4x

  C. PCI x2

  D. PCI

  Correct Answer: A

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

• Question 803:

  Which of the following connection types has the LONGEST transmission limitation in terms of distance?

  A. USB 3.0

  B. CAT6

  C. Fiber

  D. CAT5

  Correct Answer: C

  Reference. http://en.wikipedia.org/wiki/Fiber-optic_communication

• Question 804:

  Which of the following is a benefit of using ECC memory?

  A. Corrects memory errors

  B. Allows 64-bit operating systems

  C. Prevents disk errors

  D. Uses lower voltage

  Correct Answer: A

  Reference. http://www.webopedia.com/TERM/E/ECC_memory.html

• Question 805:

  Which of the following settings is controlled by jumpers?

  A. Chassis detection threshold

  B. Fan speed

  C. USB voltage

  D. Drive hierarchy

  Correct Answer: D

  Reference. http://en.wikipedia.org/wiki/Jumper_(computing)

• Question 806:

  A corporate technician has been tasked with providing a thin client PC for a new employee. Which of the following configurations would be the MOST appropriate?

  A. A PC with the maximum amount of supported RAM

  B. A PC equipped with high end audio and video cards

  C. A PC that meets the minimum requirements for running an OS

  D. A PC with the most powerful processor

  Correct Answer: C

  A thin client is a bare minimum box of components that is used for simple tasks. A PC with minimum requirements to run an OS can act as a thin client.

• Question 807:

  Which of the following voltages is MOST likely to be supplied from a PC power supply unit? (Select TWO).

  A. 1V

  B. 1.7V

  C. 3.3V

  D. 5V

  E. 9V

  Correct Answer: CD

  Explanation: 3.3 volts and 5V are the common voltage range that a PC power supply unit uses to power computer components.

• Question 808:

  Which of the following connection types is MOST likely to be used to connect an internal hard drive to a computer?

  A. IDE

  B. DVI

  C. Parallel

  D. eSATA

  Correct Answer: A

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

• Question 809:

  Which of the following features of a CPU socket is designed to make installation of a CPU easier?

  A. Plug and Play

  B. Lower latency

  C. Zero insertion force

  D. Heatsinks

  Correct Answer: C

  Reference. http://www.techterms.com/definition/zif

• Question 810:

  Which of the following connectors would terminate a POTS connection?

  A. BNC

  B. F

  C. RJ-45

  D. RJ-11

  Correct Answer: D

  Reference. http://www.danlipofsky.com/technical/ethernet/