CompTIA CompTIA A+ 220-801 Questions & Answers

• Question 711:

  Which of the following is the speed limitation for CAT3 wiring?

  A. 1 Mbps

  B. 10 Mbps

  C. 100 Mbps

  D. 1000 Mbps

  Correct Answer: B

  Reference. http://customcable.ca/cat5-vs-cat6/

• Question 712:

  Which of the following wireless encryption types is vulnerable to weak IVS attacks?

  A. WEP

  B. WPA

  C. WPA2

  D. AES

  Correct Answer: A

  Reference. http://www.networkworld.com/research/2002/0909wepprimer.html

• Question 713:

  Which of the following Internet connection types would typically have the GREATEST latency?

  A. Satellite

  B. WiMAX

  C. Cellular

  D. ISDN

  Correct Answer: A

  Reference. http://compnetworking.about.com/od/speedtests/a/network_latency.htm

• Question 714:

  Which of the following is a public IP address?

  A. 10.0.0.1

  B. 62.10.1.1

  C. 172.16.0.1

  D. 192.168.1.1

  Correct Answer: B

  Reference. http://technet.microsoft.com/en-us/library/cc958825.aspx

• Question 715:

  Which of the following ports MUST be open to connect to a PC using RDP?

  A. 21

  B. 80

  C. 443

  D. 3389

  Correct Answer: D

  Reference. http://support.microsoft.com/kb/306759

• Question 716:

  Three locations in the same company are connected with routers to a private T-1 point-to-point line. The sites have their own dedicated private subnets but can route to each other. Which of the following networks is described in this scenario?

  A. PAN

  B. WAN

  C. LAN

  D. MAN

  Correct Answer: B

  Reference. http://compnetworking.about.com/cs/lanvlanwan/g/bldef_wan.htm

• Question 717:

  A technician is told that a networked computer will PING the loopback address, but cannot connect to the Internet, nor connect to any file shares. The same computer, when plugged into the network at a different location, works fine. Which of the following tools should the technician use to help determine the cause of the problem?

  A. Toner probe

  B. Cable tester

  C. Multimeter

  D. Crimper

  Correct Answer: B

  Reference. http://www.computerhope.com/jargon/c/cabletest.htm

• Question 718:

  Which of the following uses policies to direct network traffic?

  A. Router

  B. Switch

  C. Access Point

  D. Bridge

  Correct Answer: A

  Reference. http://en.wikipedia.org/wiki/Policy-based_routing

• Question 719:

  Which of the following uses the RC4 cipher? (Select TWO).

  A. WPA-personal TKIP

  B. WEP

  C. WPA2-enterprise CCMP

  D. WPA2-personal CCMP

  E. AES

  Correct Answer: AB

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

• Question 720:

  Ann, a small business client, requests a secure SOHO wireless network setup. Ann wants to minimize interference as much as possible from the surrounding businesses yet needs the flexibility for her guests to access the network when authorized. Which of the following would be a feasible solution for Ann?

  A. SSID broadcast off

  B. No wireless password

  C. Channel change

  D. MAC filtering

  Correct Answer: C

  Reference. https://www.inkling.com/read/dummies-comptia-aplus-clarke-tetz- 3rd/understanding-common-wireless/installing-and-configuring-a