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JK0-023 Latest Exam (Sep 2017)

[Free] 2017(Sep) EnsurePass Braindumps CompTIA JK0-023 Dumps with VCE and PDF 251-260

September 18, 2017

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2017 Sep CompTIA Official New Released JK0-023
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CompTIA Network certification

Question No: 251 – (Topic 3)

Which of the following WAN technologies has the highest latency?

  1. POTS

  2. Cable

  3. Satellite

  4. DSL

Answer: C

Question No: 252 – (Topic 3)

In a small office environment, one computer is set up to provide Internet access to three other computers that are not interconnected. This is an example of which of the following topology types?

  1. Peer-to-peer

  2. Point-to-multipoint

  3. Hybrid

  4. Point-to-point

Answer: B

Question No: 253 – (Topic 3)

Which of the following network topologies would be separated into two networks if a client in the middle is removed or the cable is cut?

  1. Mesh

  2. Ring

  3. Bus

  4. Star

Answer: C

Question No: 254 – (Topic 3)

Which of the following connectors is usable in SFP modules?

  1. ST

  2. LC

  3. LX

  4. SX

Answer: B

Question No: 255 – (Topic 3)

Which of the following allows 802.11n higher transfer speeds than the previous wireless standards?

  1. Dual frequency

  2. Enhanced encryption

  3. MIMO technology

  4. Backwards compatibility

Answer: C

Question No: 256 – (Topic 3)

Which of the following is rated for speeds over 800Mbps?

  1. Coaxial

  2. DB-9

  3. CAT6

  4. CAT5e

Answer: C

Question No: 257 – (Topic 3)

Which of the following network topologies describes a network where each node is connected to multiple devices?

  1. Mesh

  2. Bus

  3. Star

  4. Ring

Answer: A

Question No: 258 – (Topic 3)

Which of the following would the telecommunications carrier use to segregate customer traffic over long fiber links?

  1. VLAN

  2. MPLS

  3. VPN

  4. PSTN

Answer: B

Question No: 259 – (Topic 3)

After running a CAT6 cable from the maintenance office 80 floors above the network closet, users are reporting lack of connectivity. Which of the following is the MOST likely cause?

  1. Cable placement

  2. Crosstalk

  3. Bad wiring

  4. Cable length

Answer: D

Question No: 260 – (Topic 3)

Which of the following is an example of a CSMA/CD medium?

  1. WEP

  2. SONET

  3. Token ring

  4. Ethernet

Answer: D

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