[Free] 2018(June) Dumps4cert CompTIA JK0-023 Dumps with VCE and PDF Download 161-170

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CompTIA Network certification

Question No: 161 – (Topic 1)

Which of the following protocols is used by the ping command?

  1. SMTP

  2. ICMP

  3. TFTP

  4. ARP

Answer: B

Question No: 162 – (Topic 1)

Which of the following is used to describe trunking VLANs on a network?

A. 802.11a

B. 802.11i

C. 802.1q

D. 802.1x

Answer: C

Question No: 163 – (Topic 1)

Which of the following protocols are used to provide accurate time to network devices?

  1. SMTP

  2. FTP

  3. TLS

  4. NTP

Answer: D

Question No: 164 – (Topic 1)

Which of the following protocols would the network administrator use to protect login credentials when accessing a router terminal session?

  1. SCP

  2. SNMPv3

  3. SSL

  4. SSH

Answer: D

Question No: 165 – (Topic 1)

Frames are the Protocol Data Unit for which of the following layers of the OSI model?

  1. Layer 1

  2. Layer 2

  3. Layer 3

  4. Layer 4

Answer: B

Question No: 166 – (Topic 1)

STP prevents which of the following problems?

  1. Collision domains

  2. Switching loops

  3. Broadcast storms

  4. Routing loops

Answer: B

Question No: 167 – (Topic 1)

Which of the following ports would have to be allowed through a firewall for NTP to pass on its default port?

A. 123

B. 143

C. 153

D. 163

Answer: A

Question No: 168 – (Topic 1)

An organization is considering migrating a datacenter to a different operating system. Which of the following could the organization use to try out the new OS before making a wide-scale deployment?

  1. Virtual PBXs

  2. Virtual Switches

  3. Virtual Servers

  4. Virtual Desktops

Answer: C

Question No: 169 – (Topic 1)

Jeff, a user, can no longer access the accounting file share, but others are still able to access the share. Which of the following would be the FIRST step in troubleshooting the issue?

  1. Notify senior management of the issue.

  2. Develop a probable cause theory.

  3. Ask Jeff if anything has changed on the system.

  4. Escalate the issue to the vendor.

Answer: C

Question No: 170 – (Topic 1)

The network interface layer of the TCP/IP model corresponds with which of the following layers of the OSI model? (Select TWO).

  1. Transport layer

  2. Network layer

  3. Session layer

  4. Physical layer

  5. Presentation layer

  6. Data link layer

Answer: D,F

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