CompTIA CompTIA A+ 220-801 Questions & Answers

• Question 691:

  Which of the following connector types is associated with a fiber connection?

  A. RJ-45

  B. RJ-11

  C. LC

  D. HDMI

  Correct Answer: C

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

• Question 692:

  Which of the following media types is LEAST likely to be affected by electromagnetic interference?

  A. Coaxial

  B. Fiber

  C. Wireless B

  D. HSPA

  Correct Answer: B

  Reference. http://www.doc.ic.ac.uk/~nd/surprise_97/journal/vol4/sm27/adv.html

• Question 693:

  Which of the following wireless protocols is limited to operating in the 5 GHz range ONLY?

  A. 802.11a

  B. 802.11b

  C. 802.11g

  D. 802.11n

  Correct Answer: A

  Reference. http://www.webopedia.com/TERM/8/802_11.html

• Question 694:

  Which of the following describes the expected properties of an asynchronous digital subscriber line service?

  A. The data upload speed is faster than the data download speed.

  B. The data download speed is faster than the data upload speed.

  C. The data upload speed is the same as the data download speed.

  D. The data throughput speed direction can be selected based on the user's discretion.

  Correct Answer: B

  Reference. http://www.tdsbusiness.com/Resources/white-papers-the-ins-and-outs-of- high-speed-internet-access.pdf (page 1, second last para)

• Question 695:

  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://www.practicallynetworked.com/networking/howhub.htm

• Question 696:

  A user is trying to setup a small office home office (SOHO) wireless network and does not want any neighbors to be able to discover the network. Which of the following parameters would MOST likely be configured?

  A. Configure a proxy server address

  B. Enable WEP encryption

  C. Disable SSID broadcast

  D. Configure DMZ settings

  Correct Answer: C

  Reference. http://compnetworking.about.com/cs/wirelessproducts/qt/disablessidcast.htm

• Question 697:

  Which of the following network topologies would MOST likely be used to provide redundancy at each network device to support data transmissions?

  A. Mesh

  B. Ring

  C. PBX

  D. Bus

  Correct Answer: A

  Reference. http://computer.howstuffworks.com/how-wireless-mesh-networks- work.htm

• Question 698:

  An IP address of 10.10.1.180 would be considered part of which of the following address classes?

  A. Class A

  B. Class B

  C. Class C

  D. Class D

  Correct Answer: A

  Reference. http://compnetworking.about.com/od/workingwithipaddresses/l/aa042400b.htm

• Question 699:

  Which of the following 802.11 wireless standards provides the LOWEST maximum theoretical throughput?

  A. A

  B. B

  C. G

  D. N

  Correct Answer: B

  ReferencE. http://compnetworking.about.com/cs/wireless80211/g/bldef_80211b.htm

• Question 700:

  Basic Internet web traffic generally travels on which of the following ports?

  A. 25 and 53

  B. 53 and 8080

  C. 80 and 443

  D. 110 and 53

  Correct Answer: C

  Reference. http://blog.simple-help.com/2011/12/ports-vs-protocols-80-and-443/