[Free] 2018(June) Dumps4cert CompTIA JK0-023 Dumps with VCE and PDF Download 291-300

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CompTIA Network certification

Question No: 291 – (Topic 3)

Which of the following connectors are MOST commonly used on a POTS line?

  1. RJ-45

  2. MTRJ

  3. DB-9

  4. RJ-11

Answer: D

Question No: 292 – (Topic 3)

Which of the following is the MAXIMUM rated speed for CAT5 cabling?

  1. 10Mbps

  2. 100Mbps

  3. 1000Mbps

  4. 10Gbps

Answer: B

Question No: 293 – (Topic 3)

When examining a suspected faulty copper network cable, Kim, the administrator, notices that some of the pairs are untwisted too much. This is MOST likely causing which of the following?

  1. DB loss

  2. Dispersion

  3. Collisions

  4. Cross-talk

Answer: D

Question No: 294 – (Topic 3)

A large corporate office is looking to place smaller network closets around campus to handle switching for remote workstations. To which of the following is this referring?

  1. MDF

  2. VPN

  3. RDP

  4. IDF

Answer: D

Question No: 295 – (Topic 3)

Kim, a technician, is connecting a new desktop computer to a switch. She was only able to locate one cable in the office for the installation. The wires at each end are color coded as follows:

End A: orange-white, orange, green-white, blue, blue-white, green, brown-white, brown End B: green-white, green, orange-white, blue, blue-white, orange, brown-white, brown Which of the following should Kim do to complete the installation?

  1. Re-end the provided cable, keeping the wiring the same.

  2. Use the provided cable.

  3. Purchase a crossover cable.

  4. Purchase a straight-through cable.

Answer: D

Question No: 296 – (Topic 3)

A small office needs to connect one new system to their network in a distant office, but does not have the resources to install a new Ethernet wall jack, and does not want to use wireless. Which of the following is a simple, cost effective option for providing connectivity?

  1. SONET

  2. Multimode fiber

C. 802.11n

D. Broadband over Power Line

Answer: D

Question No: 297 – (Topic 3)

1000BaseT has a MAXIMUM run distance of:

  1. 25 meters (82 feet).

  2. 100 meters (328 feet).

  3. 500 meters (1640 feet).

  4. 1000 meters (3280 feet).

Answer: B

Question No: 298 – (Topic 3)

CAT6 has how many twisted copper pairs?

  1. 2

  2. 4

  3. 6

  4. 8

  5. 16

Answer: B

Question No: 299 – (Topic 3)

Which of the following uses a ring topology?

  1. DSL

  2. Ethernet


  4. SONET

Answer: D

Question No: 300 – (Topic 3)

Which of the following is the difference between 802.11b and 802.11g?

  1. Distance

  2. Frequency

  3. Speed

  4. Transmission power

Answer: C

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