CompTIA CompTIA Certifications JK0-023 Questions & Answers

• Question 711:

  Which of the following wireless standards is the only one capable of operatng in either of the 802.11 wireless spectrums?

  A. A

  B. B

  C. G

  D. N

  Correct Answer: D

• Question 712:

  A network administrator has just been notfed about the loss of Internet connectvity. Another technician had just performed non-scheduled maintenance and mentoned that some cabling may have been moved. Which of the following MOST likely caused the loss of Internet connectvity?

  A. Broadcast storm

  B. TX/RX cables reversed

  C. Mismatched MTU

  D. Incorrect routng table

  Correct Answer: B

• Question 713:

  Which wireless standard works at a MAXIMUM data rate of up to 11Mbps?

  A. 802.11a

  B. 802.11b

  C. 802.11g

  D. 802.1q

  Correct Answer: B

• Question 714:

  Users notce a problem with their network connectvity when additonal lights are turned on. Which of the following would be the cause for this problem?

  A. DDOS

  B. Cross talk

  C. Open short

  D. EMI

  Correct Answer: D

• Question 715:

  A userns network connecton is slow. Afer testng the cablingf the cable tester shows that only pins 1f 2f 3 and 6 are being used. Afer accurately terminatng both endsf the tester displays the same results. Which of the following is the MOST likely cause?

  A. DB loss on the cable

  B. Interference

  C. Split cable

  D. Distance limitatons

  Correct Answer: C

• Question 716:

  Which of the following is true of a client/server topology?

  A. Virtual servers are used to stream data to other remote servers

  B. Servers are used to connect to centraliied clients

  C. Remote clients connect to a centraliied server

  D. Remote clients connect to each other via a virtual server

  Correct Answer: C

• Question 717:

  A technician has been called about intermitent connectvity near IDF 2. Multple cables were recently pulled through a common conduit. Which of the following is MOST likely the cause of the problem?

  A. Crosstalk

  B. Bad connectors

  C. Wrong DNS

  D. Duplicate IP address

  Correct Answer: A

• Question 718:

  Which of the following cable types is employed to protect against interference in the physical environment or when security is a concern?

  A. STP

  B. RG-6

  C. Fiber

  D. RG-59

  Correct Answer: C

• Question 719:

  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

  Correct Answer: DF

• Question 720:

  Which of the following spreads out each of the individual wires of a UTP cable onto their own metal connector?

  A. BNC connecton

  B. 110 block

  C. Plenum

  D. LC connector

  Correct Answer: B