CompTIA CompTIA A+ 220-801 Questions & Answers

• Question 671:

  Which of the following should a technician configure on a small office home office (SOHO) wireless router so IP addresses are automatically assigned to devices on the wireless network?

  A. MAC filtering

  B. DHCP

  C. NAT

  D. DNS

  Correct Answer: B

  Reference. http://www.thegeekstuff.com/2013/03/dhcp-basics/

• Question 672:

  Which of the following network devices would be MOST likely to perform Network Address Translation (NAT)?

  A. Router

  B. Switch

  C. Hub

  D. Modem

  Correct Answer: A

  Reference. http://www.cisco.com/en/US/tech/tk648/tk361/technologies_tech_note09186a008009 4e77.shtml

• Question 673:

  Which of the following would BEST segment a LAN while providing additional network ports?

  A. Access point

  B. Modem

  C. Switch

  D. Hub

  Correct Answer: C

  Reference. http://netcert.tripod.com/ccna/internetworking/lanseg.html

• Question 674:

  Which of the following provides the LEAST network security?

  A. Firewall

  B. Router

  C. Hub

  D. Switch

  Correct Answer: C

  Reference. http://www.buzzle.com/articles/router-vs-switch-vs-hub.html

• Question 675:

  Which of the following would require the need for a POTS line?

  A. Modem

  B. Router

  C. Switch

  D. Hub

  Correct Answer: A

  Reference. http://computer.howstuffworks.com/dsl.htm

• Question 676:

  A technician needs to configure a wireless small office home office (SOHO) network to provide IP addresses to devices on the network. Which of the following features should be enabled?

  A. MAC filtering

  B. DHCP

  C. SSID broadcast

  D. Port forwarding

  Correct Answer: B

  Configure DHCP to assign IP addresses to devices on the network automatically. DHCP uses a range of IP addresses to provide connectivity and access to various devices that connect to a network.

• Question 677:

  Which of the following should a technician configure to limit access to a small office home office (SOHO) wireless network by the computer's NIC hardware identification?

  A. Encryption

  B. MAC filtering

  C. SSID broadcast

  D. DHCP

  Correct Answer: B

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

• Question 678:

  Which of the following ports are commonly used to send/receive email? (Select TWO).

  A. 25

  B. 53

  C. 80

  D. 110

  E. 443

  Correct Answer: AD

  Referenc. http://community.virginmedia.com/t5/Email/25-and-110-port-numbers/td- p/779453/page/2

• Question 679:

  Which of the following encryption types is the LEAST secure?

  A. WPA

  B. AES

  C. TKIP

  D. WEP

  Correct Answer: D

  Reference. http://www.wi-fiplanet.com/tutorials/article.php/3672711

• Question 680:

  Which of the following connectors is used to connect a DSL modem to a wall outlet?

  A. RJ-45

  B. LC

  C. RJ-11

  D. SC

  Correct Answer: C

  ReferencE. http://en.wikipedia.org/wiki/Telephone_plug