CompTIA CompTIA Certifications JK0-023 Questions & Answers

• Question 111:

  Which of the following characteristcs allows an 802.11g WAP to have transfer speeds up to 108Mbps?

  A. MIMO technology

  B. Channel bonding

  C. Encrypton type

  D. Frequency

  Correct Answer: B

• Question 112:

  The systems administrator has assigned an IP address and default gateway to a standard Layer 2 switch. Which of the following would be the primary purpose of doing this?

  A. Allow VLAN routng

  B. Enable packet fltering on the switch

  C. Allow remote administraton of the switch

  D. Enable MAC fltering on the switch

  Correct Answer: C

• Question 113:

  Which of the following tools would a technician use to determine if a CAT6 cable is properly terminated?

  A. Cable tester

  B. Punch down tool

  C. Crimper

  D. Multmeter

  Correct Answer: A

• Question 114:

  A company recently added an additon to their ofce building. A technician runs new plenum network cables from the switch on one side of the company's gymnasium 80 meters (262 f.) to the new ofces on the other sidef draping the wires across the light fxtures. Users working out of the new ofces in the additon complain of intermitent network connectvity. Which of the following is MOST likely the cause of the connectvity issue?

  A. dB loss

  B. Distance

  C. Incorrect connector type

  D. EMI

  E. Crosstalk

  Correct Answer: D

• Question 115:

  A MAC address is a part of which of the following OSI model layers?

  A. Network

  B. Data Link

  C. Physical

  D. Transport

  Correct Answer: B

• Question 116:

  Which of the following is the reason why a companyns network may contain a DHCP server?

  A. To assign IP addresses to devices on the network

  B. To convert IP addresses to fully qualifed domain names

  C. To provide POP3 and IMAP email functonality

  D. To allow secure remote access

  Correct Answer: A

• Question 117:

  A client has just leased a new ofce space in a busy commercial building and would like to install a wireless network. Several other tenants are on the same foor. Multple wireless networks are present in the building. Which of the following can be changed on the clientns wireless network to help ensure that interference from other wireless networks is at a minimum?

  A. WPA encrypton key selecton

  B. Channel selecton

  C. Antenna types

  D. Disable SSID

  Correct Answer: B

• Question 118:

  Which of the following is the unit used to transfer informaton at Layer 2 of the OSI model?

  A. Packet

  B. Socket

  C. Session

  D. Frame

  Correct Answer: D

• Question 119:

  A network technician visits a site that needs voice connectvity to the corporate ofce and installs four IP phones. The phone exchange resides at the telephone company. Which of the following technologies is being used?

  A. Virtual switch

  B. Virtual server

  C. Virtual desktop

  D. Virtual PBX

  Correct Answer: D

• Question 120:

  Which of the following describes a manually entered route?

  A. Statc

  B. Dynamic

  C. Multcast

  D. Unicast

  Correct Answer: A