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JK0-023 Latest Exam (Sep 2017)

[Free] 2017(Sep) EnsurePass Braindumps CompTIA JK0-023 Dumps with VCE and PDF 111-120

September 18, 2017

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

Question No: 111 – (Topic 1)

A company is about to install a second network connection with a new ISP. Which of the following routing protocols is the BEST choice?

  1. IS-IS

  2. BGP

  3. OSPF

  4. RIP

Answer: B

Question No: 112 – (Topic 1)

Which of the following ports is the default telnet port?

  1. 20

  2. 21

  3. 22

  4. 23

Answer: D

Question No: 113 – (Topic 1)

An administrator has created several virtual machines on the same host server and requires them to each be on separate VLANs. Which of the following should the administrator configure to meet this goal?

  1. Set the VLAN preferences on the host#39;s NIC

  2. Create each VLAN on the host#39;s virtual switch

  3. Change the virtual machine NIC settings from private to bridged

  4. Create each VLAN on the host#39;s gateway router

Answer: B

Question No: 114 – (Topic 1)

For which of the following reasons could a single server’s NIC transmit packets from multiple MAC address sources?

  1. The server contains several virtual machines and the MAC addresses are from the virtual machines.

  2. The server is hosting a web server and the MAC addresses are from connected

    browsers.

  3. The server is hosting a proxy server and the MAC addresses are from the connected clients.

  4. The server NIC is starting to fail and should be replaced.

Answer: A

Question No: 115 – (Topic 1)

Which of the following network protocols is used to resolve FQDNs to IP addresses?

  1. DNS

  2. FTP

  3. DHCP

  4. APIPA

Answer: A

Question No: 116 – (Topic 1)

Which of the following layers of the OSI model make up the Network Interface layer of the TCP/IP model? (Select TWO).

  1. Application

  2. Physical

  3. Presentation

  4. Transport

  5. Data Link

  6. Network

Answer: B,E

Question No: 117 – (Topic 1)

Which of the following DNS records would be queried to locate a company’s mail server?

  1. A

  2. MX

  3. AAAA

  4. CNAME

Answer: B

Question No: 118 – (Topic 1)

The TCP/IP application layer contains which of the following OSI layers?

  1. Layers 1,5,6,7

  2. Layers 4,7

  3. Layers 5,6,7

  4. Layer 7

Answer: C

Question No: 119 – (Topic 1)

Which of the following DNS record types will be used for mail transfer if the MX record is not found?

  1. CNAME

  2. A

  3. PTR

  4. AAAA

Answer: B

Question No: 120 – (Topic 1)

An IP address is encapsulated at which of the following layers of the OSI model?

  1. Transport

  2. Data link

  3. Network

  4. Application

Answer: C

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