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JK0-023 Latest Exam (Sep 2017)

[Free] 2017(Sep) EnsurePass Braindumps CompTIA JK0-023 Dumps with VCE and PDF 51-60

September 18, 2017

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

Question No: 51 – (Topic 1)

Which of the following uses a 128-bit addressing scheme?

  1. MAC

  2. DHCP

  3. IPv4

  4. IPv6

Answer: D

Question No: 52 – (Topic 1)

Which of the following would be used to run an instance of a Layer 2 device within an application?

  1. Virtual switch

  2. Virtual router

  3. Virtual PBX

  4. NaaS

Answer: A

Question No: 53 – (Topic 1)

Which of the following differentiates a layer 3 switch from a layer 2 switch?

  1. Routing

  2. Bridging

  3. Switching

  4. Repeating

Answer: A

Question No: 54 – (Topic 1)

Which of the following are valid hosts for the Private IP Address range 172.16.0.x /23? (Select TWO).

A. 172.16.0.255

B. 172.16.0.0

C. 172.16.1.1

D. 172.16.8.0

E. 172.16.256.255

Answer: A,C

Question No: 55 – (Topic 1)

Which of the following BEST describes how a layer 2 switch functions?

  1. Switches packets within the same subnet based on MAC addresses

  2. Switches packets between different subnets based on IP addresses

  3. Switches packets between different subnets based on MAC addresses

  4. Switches packets within the same subnet based on IP addresses

Answer: A

Question No: 56 – (Topic 1)

Which of the following protocols resolves IP addresses to MAC addresses?

  1. DNS

  2. ARP

  3. RARP

  4. NTP

Answer: B

Question No: 57 – (Topic 1)

Which of the following is the minimum subnet mask to allow 172.16.1.5 and 172.16.4.3 to be on the same subnet?

A. /19 B. /21 C. /22 D. /24

Answer: B

Question No: 58 – (Topic 1)

Multiple networked devices running on the same physical hardware that provide central access to applications and files, where each device runs as a piece of software are known as:

  1. Virtual desktops.

  2. Switches.

  3. PBXs.

  4. Virtual servers.

Answer: D

Question No: 59 – (Topic 1)

Which of the following protocols are used to view and send mail from a local host off of a remote server? (Select TWO).

  1. TFTP

  2. SNMP

  3. POP3

  4. IMAP4

  5. SFTP

Answer: C,D

Question No: 60 – (Topic 1)

In which of the following layers of the OSI model would MAC addressing be found?

  1. Network

  2. Application

  3. Data Link

  4. Transport

Answer: C

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