[Free] 2018(Aug) Dumps4cert CompTIA JK0-023 Dumps with VCE and PDF Download 21-30

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

Question No: 21 – (Topic 1)

Which of the following would be considered a Class C private address?

A. 10.0.0.125

B. 192.168.50.125

C. 192.169.0.132

D. 255.255.255.0

Answer: B

Question No: 22 – (Topic 1)

Lisa, a network technician, has determined that the initial theory of probable cause was incorrect. Which of the following would be the NEXT step in the troubleshooting process?

  1. Implement the solution

  2. Establish a plan

  3. Document findings

  4. Escalate the issue

Answer: D

Question No: 23 – (Topic 1)

Which of the following routing protocols utilizes the DUAL algorithm for determining best path?

  1. EIGRP

  2. RIPv2

  3. OSPF

  4. RIP

Answer: A

Question No: 24 – (Topic 1)

Which of the following would Joe, a technician, use for a service that needs fast communication and is unaffected by packet loss?

  1. UDP

  2. ARP

  3. ICMP

  4. TCP

Answer: A

Question No: 25 – (Topic 1)

IP address based routing occurs on which of the following layers of the OSI model?

  1. Layer 2

  2. Layer 3

  3. Layer 4

  4. Layer 5

Answer: B

Question No: 26 – (Topic 1)

A technician is developing a shortcut sheet for the network to be able to assist in future troubleshooting scenarios. Which of the following should the network devices have to ease manageability efforts?

  1. MAC spoofing

  2. Dynamic IPs

  3. MAC filtering

  4. Static IPs

Answer: D

Question No: 27 – (Topic 1)

Zach, a network administrator, is responding to a support ticket. The ticket does not have enough information to determine the problem. Which of the following should Zach perform FIRST before responding to the ticket?

  1. Determine if anything has changed.

  2. Test a theory to determine a cause.

  3. Establish a plan of action to resolve the problem.

  4. Escalate the problem if necessary.

Answer: A

Question No: 28 – (Topic 1)

An administrator has added QoS settings to the LAN switches prioritizing RTP. Which of the following systems is the Administrator MOST concerned with in this scenario?

  1. Phone communications

  2. Web site downloads

  3. Streaming video clients

  4. Client bittorrent abilities

Answer: A

Question No: 29 – (Topic 1)

A technician has resolved a ticket to fix a user’s printer and has verified that the user is able to print with no issues. Which of the following action steps should the technician perform FIRST?

  1. Document findings and outcomes

  2. Establish a theory of probably cause

  3. Upgrade the printer drivers

  4. Close out the service ticket

Answer: A

Question No: 30 – (Topic 1)

Which of the following network devices builds a table of ports to MAC addresses to forward packets only to necessary ports?

  1. Switch

  2. Hub

  3. Router

  4. Repeater

Answer: A

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