CompTIA JK0-023 Online Practice Questions and Exam Preparation

CompTIA JK0-023 Online Questions & Answers

• Question 681:

  At which layer of the TCP/IP model would cabling exist?

  A. Network Interface
  B. Internet
  C. Applicaton
  D. Transport
  A. Network Interface

• Question 682:

  Which of the following is a fber connector that is slightly smaller than a standard copper network cable connector?

  A. BNC
  B. GBIC
  C. MT-RJ
  D. SC
  C. MT-RJ

• Question 683:

  Which of the following security devices is used in providing packet and MAC address fltering services for the network?

  A. Host-based proxy server
  B. Network-based frewall
  C. IDS
  D. IPS
  B. Network-based frewall

• Question 684:

  A network administrator wants to perform a test to see if any systems are passing clear text through the network. Which of the following would be used?

  A. Social engineering
  B. Packet snifng
  C. Rogue access point
  D. Man-in-the-middle
  B. Packet snifng

• Question 685:

  Which of the following connectors is usable in SFP modules?

  A. ST
  B. LC
  C. LX
  D. SX
  B. LC

• Question 686:

  A new monitoring device is installed in the network that uses ping to determine whether critcal network Internet routers are up. Afer three missing pingsf the alarm reports the device is down. The device is now constantly reportng alarmsf yet

  there are no reported Internet problems from users.

  Which of the following is the MOST likely cause?

  A. A missing route on the alarm device.
  B. Incorrect VLAN assignment on the router.
  C. A missing route on the network routers.
  D. Incorrect speed/duplex setng on the alarm device.
  D. Incorrect speed/duplex setng on the alarm device.

• Question 687:

  Which of the following would be considered a Class C private address?

  A. 10.0.0.125
  B. 192.168.50.125
  C. 192.169.0.132
  D. 255.255.255.0
  B. 192.168.50.125

• Question 688:

  Which of the following tools would Lisaf a technicianf BEST use to trace a wire through an area where multple wires of the same color are twisted together?

  A. Cable tester
  B. Toner probe
  C. Cable crimper
  D. Punch down tool
  B. Toner probe

• Question 689:

  A technician notces that network access is becoming increasingly slow. All of the actvity lightsf on the only network layer 2 switchf are blinking at steadily increasing rates. Which of the following is the MOST likely cause of the increased trafc?

  A. STP blocking
  B. Duplicate IP addresses
  C. MTU mismatch
  D. Switching loop
  D. Switching loop

• Question 690:

  Sandyf an administratorf must connect to a remote UNIX server securely. Which of the following would be the MOST secure connecton method?

  A. FTP
  B. PPP
  C. Telnet
  D. SSH
  D. SSH