[Free] 2018(June) Dumps4cert CompTIA JK0-023 Dumps with VCE and PDF Download 311-320

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2018 May CompTIA Official New Released JK0-023
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CompTIA Network certification

Question No: 311 – (Topic 3)

Which of the following network topologies describes a network where each node is connected to every other node?

  1. Bus

  2. Star

  3. Mesh

  4. Ring

Answer: C

Question No: 312 – (Topic 3)

Which of the following standards can operate at 40MHz channel spacing?

A. 802.11a B. 802.11b C. 802.11g D. 802.11n

Answer: D

Question No: 313 – (Topic 3)

An administrator would like to get more speed out of a wireless network. The administrator decides to configure the AP with a frequency width of 40MHz. Which of the following features is the administrator MOST likely using?

  1. MIMO

  2. AP isolation

  3. Channel bonding

  4. Burst mode

Answer: C

Question No: 314 – (Topic 3)

A user would like to connect two laptops together and transfer files via the Ethernet ports. Which of the following should MOST likely be provided to the user to accomplish this?

  1. Crossover

  2. Rollover

  3. Loopback

  4. Straight cable

Answer: A

Question No: 315 – (Topic 3)

A technician has been dispatched to investigate connectivity problems of a recently renovated office. The technician has found that the cubicles were wired so that the network cables were run inside the conduit with the electrical cabling. Which of the following would

MOST likely resolve the connectivity issue?

  1. Power-cycle the computers and switches to re-establish the network connection.

  2. Re-run the network cabling through the ceiling alongside the lights to prevent interference.

  3. Test the wiring in the network jacks for faults using a cable verifier.

  4. Re-run the network cabling so that they are 12 inches or more away from the electrical lines.

Answer: D

Question No: 316 – (Topic 3)

Kim, an administrator, is attempting to connect a laptop to a server via RJ-45 ports on both a device and a CAT5 patch cable. All of the IP settings have been verified to be correct, yet there is a connectivity problem. Which of the following would MOST likely fix the IP connectivity problem?

  1. Wires 1, 2 and 3, 6 need to be swapped on one end of the connecting cable.

  2. Use the DB-9 port with a DB-9 to RJ-45 adapter on the server.

  3. Manually adjust the duplex mode on the server’s link.

  4. Configure the laptop to receive a DHCP address from the server, rather than manually setting one.

Answer: A

Question No: 317 – (Topic 3)

Which of the following cable types is MOST commonly used with POTS?

  1. CAT3

  2. Multimode

  3. CAT6

  4. Coaxial

Answer: A

Question No: 318 – (Topic 3)

The unit responsible for the successful shaping and transmission of a digital signal is called:

  1. demarc.

  2. T1 hub.

  3. smart jack.

  4. CSU/DSU.

Answer: D

Question No: 319 – (Topic 3)

Zach, an administrator, needs to install a new 100 foot (30 meter) cable run from an IDF switch to the MDF, through a room that has a large number of motors. Which of the following would be the BEST cable type to choose?

  1. CAT3

  2. STP

  3. Coaxial

  4. Fiber

Answer: D

Question No: 320 – (Topic 3)

Which of the following cable types would have the LEAST amount of EMI?

  1. CAT3

  2. CAT5

  3. STP CAT6

  4. Plenum CAT6

Answer: C

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