CompTIA CompTIA A+ 220-801 Questions & Answers

• Question 641:

  A user, Anne, is moving to a new cubicle and needs to have her analog desk phone switched to a new location. Which of the following tools are required for a technician to make this switch in the network closet?

  A. Multimeter

  B. Punchdown

  C. Cable tester

  D. Crimper

  Correct Answer: B

• Question 642:

  Which of the following ratings describes a cable that is safe to run above a drop ceiling with open HVAC?

  A. Plenum rated

  B. CAT6 rated

  C. STP rated

  D. CAT5 rated

  Correct Answer: A

• Question 643:

  Which of the following network devices provides LAN segmentation and allows for full duplex communication?

  A. Repeater

  B. Switch

  C. Hub

  D. Modem

  Correct Answer: B

• Question 644:

  Which of the following cable types has a MAXIMUM transmission rate of 100 Mb?

  A. CAT3

  B. CAT5

  C. CAT5e

  D. CAT6

  Correct Answer: B

  Reference. http://en.wikipedia.org/wiki/Category_5_cable

• Question 645:

  Which of the following cable types is commonly used for analog/digital television transmission?

  A. UTP

  B. CAT3

  C. RG-6

  D. SC

  Correct Answer: C

  Reference. http://www.bluejeanscable.com/articles/rg6.htm

• Question 646:

  Which of the following has the FASTEST connection speed?

  A. Cable

  B. Dial-Up

  C. ISDN

  D. WiMAX

  Correct Answer: A

  Reference. http://compnetworking.about.com/od/internetaccessbestuses/f/cablespeed.htm

• Question 647:

  Which of the following wireless networking standards operates at the SHORTEST distance?

  A. 802.11a

  B. 802.11b

  C. 802.11g

  D. 802.11n

  Correct Answer: A

  Reference. http://compnetworking.about.com/cs/wirelessproducts/f/wifirange.htm

• Question 648:

  Which of the following are characteristics of transferring data using fiber as the medium? (Select TWO).

  A. Fiber can transmit data the farthest distance without requiring a repeater

  B. Fiber is the least susceptible to EMI

  C. Fiber is the most susceptible to changes in temperature and humidity, which can cause varying transmission speeds

  D. Fiber can transmit power as well as data, which will lead to cost savings

  E. Fiber is the least expensive means of transmitting data

  Correct Answer: AB

  Reference. http://computer.howstuffworks.com/fiber-optic4.htm

• Question 649:

  An administrator wants to prevent people outside of the building from accessing a new wireless router. Which of the following is the LEAST labor intensive method to use while setting up new workstations?

  A. Turn SSID broadcast off

  B. Use wireless encryption

  C. Institute MAC filtering

  D. Setup static IP addresses

  Correct Answer: A

  Reference. http://www.speedguide.net/faq_in_q.php?qid=81

• Question 650:

  A network consisting of numerous geographically dispersed networks that cover a large physical distance is referred to as a:

  A. WLAN.

  B. LAN.

  C. WAN.

  D. MAN.

  Correct Answer: C

  Reference. http://compnetworking.about.com/od/basicnetworkingconcepts/a/network_types.htm