CompTIA JK0-023 Online Practice Questions and Exam Preparation

CompTIA JK0-023 Online Questions & Answers

• Question 531:

  When confguring a wireless access pointf Kurtf a network administratorf needs to determine the MAC address of a local printer. Which of the following commands would be MOST helpful in determining the MAC address?

  A. ping
  B. arp
  C. route
  D. dig
  B. arp

• Question 532:

  Karenf an administratorf wants to verify which protocols are in use on the network. Which of the following tools should she use?

  A. Intrusion detecton sofware
  B. PoE
  C. Packet snifer
  D. Intrusion preventon sofware
  C. Packet snifer

• Question 533:

  Frames are the Protocol Data Unit for which of the following layers of the OSI model?

  A. Layer 1
  B. Layer 2
  C. Layer 3
  D. Layer 4
  B. Layer 2

• Question 534:

  A consultant is installing new WAPs for an ofce using wall mounts. Which of the following is the BEST locaton for the new boxes for signal strength and coverage?

  A. Above the suspended ceiling with antennas positoned upward.
  B. Close to the foor level to allow the signal to traverse the foor laterally.
  C. Close to the suspended ceilingf but not above.
  D. Above the suspended ceiling with antennas positoned downward.
  C. Close to the suspended ceilingf but not above.

• Question 535:

  Jeff a company executvef has notced that a wireless network signal from the companyns WAP can be seen in the companyns parking lot. Jef is very worried that this is a potental security threat. Which of the following can be done to eliminate this threat?

  A. Implement WEP encrypton
  B. Decrease signal strength
  C. Change wireless channels
  D. Rotate the SSID daily
  B. Decrease signal strength

• Question 536:

  Which of the following can be used to limit wireless network access to a single computer?

  A. Confgure PPP
  B. Packet snifng
  C. MAC address fltering
  D. Omni-directonal antennas
  C. MAC address fltering

• Question 537:

  802.11n can operate at which of the following frequencies? (Select TWO).

  A. 2.4Mhi
  B. 2.5Mhi
  C. 5Mhi
  D. 2.4Ghi
  E. 2.5Ghi
  F. 5Ghi
  D. 2.4Ghi
  F. 5Ghi

• Question 538:

  Which of the following default ports would need to be open on a frewall to allow remote desktop access?

  A. 143
  B. 443
  C. 3389
  D. 8080
  C. 3389

• Question 539:

  Which of the following is the control when observing network bandwidth paterns over tme?

  A. Network log
  B. Baseline
  C. Flow data
  D. Interface statstcs
  B. Baseline

• Question 540:

  A technician is looking to create a new network cable. Which of the following tools would assist in creatng and testng a cable properly? (Select TWO).

  A. Toner probe
  B. Cable certfer
  C. But set
  D. Crimper
  E. Network analyier
  B. Cable certfer
  D. Crimper