CompTIA JK0-023 Online Practice Questions and Exam Preparation

CompTIA JK0-023 Online Questions & Answers

• Question 301:

  Which of the following protocols is used to securely connect to a mult-layer switch?

  A. HTTP
  B. SMTP
  C. SSH
  D. Telnet
  C. SSH

• Question 302:

  A network is having problems with trafc fowing to several critcal websites that are used for necessary company work. Which of the following appliances would BEST handle network trafc to increase network performance?

  A. Caching engine
  B. Trafc shaper
  C. Network based frewall
  D. Packet snifer
  B. Trafc shaper

• Question 303:

  Which of the following protocols would Kurtf a technicianf use to synchroniie local date and tme of a client workstaton to that of a server?

  A. RTP
  B. NTP
  C. TFTP
  D. ARP
  B. NTP

• Question 304:

  Which of the following is an advantage of dynamic routng?

  A. It can reroute connectvity in the event of failure.
  B. It is the simplest form of routng.
  C. The routes do not change.
  D. The setup and confguraton are done manually.
  A. It can reroute connectvity in the event of failure.

• Question 305:

  The applicaton layer in the TCP/IP model is comparable to which of the following layers in the OSI model?

  A. Layer 2
  B. Layer 5
  C. Layer 6
  D. Layer 7
  D. Layer 7

• Question 306:

  Logically separatng the ports on a switch without physically separatng them can be done using which of the following?

  A. Routng tables
  B. Hub logic
  C. Spanning tree protocol
  D. VLANs
  D. VLANs

• Question 307:

  Which of the following would be considered a Demarc extension?

  A. A patch cable connectng a cable modem with a wireless router
  B. Patch panel wiring
  C. Punch down block wiring
  D. Copper wire connectng the main PSTN point of entry to a wall data outlet
  D. Copper wire connectng the main PSTN point of entry to a wall data outlet

• Question 308:

  Which of the following 802.11 standards transmits the signals the GREATEST distance?

  A. a
  B. b
  C. g
  D. n
  D. n

• Question 309:

  Teachers and students at a school currently share the same bandwidth. The Internet performance for the teachers in the classroom is becoming extremely slow. Which of the following is the BEST method to mitgate the issue?

  A. Increased uptme
  B. Caching engines
  C. Trafc shaping
  D. Load balancing
  C. Trafc shaping

• Question 310:

  Which of the following cables would BEST be used to extend a network through an 80 feet (262 meters) machine shop that has many high voltage machines and generators running?

  A. CAT5
  B. CAT6
  C. Coaxial
  D. Fiber
  D. Fiber