[Free] 2018(June) Dumps4cert CompTIA JK0-023 Dumps with VCE and PDF Download 171-180

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

Question No: 171 – (Topic 1)

Which of the following reside at a minimum of Layer 3 of the OSI model? (Select TWO).

  1. Hub

  2. Switch

  3. MAC address

  4. IP address

  5. Router

Answer: D,E

Question No: 172 – (Topic 1)

A network technician has determined a managed network switch has failed. The technician knows how to install a new switch, but not how to properly configure it. Which of the following troubleshooting steps should the technician take NEXT?

  1. Escalate the problem

  2. Identify potential effects

  3. Test the theory to determine cause

  4. Establish a plan of action to resolve the problem

Answer: A

Question No: 173 – (Topic 1)

Which IEEE protocol is used with VLAN technology?

A. 802.11a B. 802.11b C. 802.1m D. 802.1q

Answer: D

Question No: 174 – (Topic 1)

Which of the following is a purpose of a VLAN?

  1. Decreases bandwidth on a network

  2. Segments broadcast traffic

  3. Increases port speed

  4. Allows another connection to the router

Answer: B

Question No: 175 – (Topic 1)

At which of the following layers do IP addresses exist?

  1. TCP/IP model Internet layer

  2. OSI model Data Link layer

  3. TCP/IP model Transport layer

  4. OSI model Physical layer

Answer: A

Question No: 176 – (Topic 1)

Which of the following defines an IP address that is NOT routed on the Internet?

  1. Multicast

  2. Public

  3. Private

  4. Classful

Answer: C

Question No: 177 – (Topic 1)

Which of the following layers of the OSI model is responsible for stripping the TCP port information before sending the packet up to the next layer?

  1. 2

  2. 3

  3. 4

  4. 5

Answer: C

Question No: 178 – (Topic 1)

Which of the following assists a network administrator in reverse engineering malware and viruses?

  1. Virtual switches

  2. Virtual machines

  3. VLANs

  4. IDS

Answer: B

Question No: 179 – (Topic 1)

At which of the following layers do frames exist? (Select TWO).

  1. OSI model Data link layer

  2. TCP/IP model Network Interface layer

  3. OSI model Physical layer

  4. OSI model Network layer

  5. TCP/IP model Internet layer

Answer: A,B

Question No: 180 – (Topic 1)

Which of the following would Kim, a technician, use in voice over IP communications?

  1. SNTP

  2. SCP

  3. SMTP

  4. SIP

Answer: D

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