CompTIA CompTIA A+ 220-801 Questions & Answers

• Question 701:

  Which of the following describes the use of the DNS protocol as it relates to a TCP/IP network?

  A. Provides remote connectivity to resources on the network

  B. Provides separate control and data connections between network resources

  C. Provides mapping of user friendly names to network resources

  D. Provides automated addressing to resources on the network

  Correct Answer: C

  Reference. http://www.howstuffworks.com/dns.htm

• Question 702:

  If a technician is trying to remote into a computer through a firewall, which of the following ports, by default, MUST be forwarded?

  A. 21

  B. 25

  C. 110

  D. 3389

  Correct Answer: D

  Reference. http://www.speedguide.net/port.php?port=3389

• Question 703:

  Which of the following wireless network standards provides the FASTEST throughput?

  A. A

  B. B

  C. G

  D. N

  Correct Answer: D

  Reference. http://compnetworking.about.com/od/wireless80211/g/bldef_80211n.htm

• Question 704:

  Which of the following connectors would be found on a twisted pair cable?

  A. RJ-45

  B. BNC

  C. SC

  D. ST

  Correct Answer: A

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

• Question 705:

  Which of the following allows for the FARTHEST transmission distance for data?

  A. Bluetooth

  B. Single-mode fibre

  C. RG-6 cable

  D. CAT6 cable

  Correct Answer: B

  Reference. http://www.ad-net.com.tw/index.php?id=46

• Question 706:

  Which of the following properties of TCP/IP is used to differentiate the network and the host portions of an IP address?

  A. DNS address

  B. Default gateway

  C. Subnet mask

  D. DHCP lease

  Correct Answer: C

  Reference. http://compnetworking.about.com/od/workingwithipaddresses/a/subnetmask.htm

• Question 707:

  Which of the following features of Windows allows a device to have a default IP address if a DHCP server is not available?

  A. APIPA

  B. ARP

  C. IPv6

  D. DNS

  Correct Answer: A

  Reference. http://compnetworking.about.com/cs/protocolsdhcp/g/bldef_apipa.htm

• Question 708:

  Which of the following wireless standards is backwards compatible with 802.11g?

  A. 802.11a

  B. 802.11b

  C. 802.11n

  D. 802.1q

  Correct Answer: C

  Reference. http://www.networkworld.com/newsletters/wireless/2006/0206wireless1.html

• Question 709:

  Which of the following is the BEST protocol to use for securely transferring large files?

  A. Telnet

  B. SSH

  C. SFTP

  D. FTP

  Correct Answer: C

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

• Question 710:

  Which of the following is representative of a class C address type?

  A. 10.15.1.4

  B. 169.254.125.15

  C. 172.20.15.5

  D. 192.168.1.15

  Correct Answer: D

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