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Question 1

Single choice

Which IP address is in the Class B range?

1. A

   100.100.90.87

2. B

   126.16.20.48

3. C

   191.56.44.200

4. D

   192.15.48.130

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Correct answerC

Question 2

Single choice

At which layer of the OSI model is the Rapid Spanning Tree protocol used to prevent switching loops?

1. A

   Physical

2. B

   Network

3. C

   Data Link

4. D

   Transport

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Correct answerC

Question 3

Single choice

Which IEEE standard defines the Data Link Layer, Discovery protocol?

1. A

   802.1AB

2. B

   802.1AX

3. C

   802.1D

4. D

   802.1W

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Correct answerA

Explanation

References:
http://www.ieee802.org/3/frame_study/0409/blatherwick_1_0409.pdf

Question 4

Single choice

Which port type should be used for only VLAN-unaware devices?

1. A

   Access port

2. B

   General port

3. C

   Hybrid port

4. D

   Trunk port

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Correct answerC

Question 5

Single choice

Which flags are used in the TCP header to initiate and end TCP connections or sessions?

1. A

   Initiate = Acknowledge (ACK)

   End = Synchronize (SYN)

2. B

   Initiate = Acknowledge (ACK)

   End = Finish (FIN)

3. C

   Initiate = Synchronize (SYN)

   End = Finish (FIN)

4. D

   Initiate = Finish (FIN)

   End = Synchronize (SYN)

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Correct answerC

Question 6

Single choice

Which IPv4 address is in the same network as the IP address 182.15.24.40/23 and assignable to a host device?

1. A

   182.15.23.224

2. B

   182.15.25.0

3. C

   182.15.25.255

4. D

   182.15.26.10

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Correct answerB

Question 7

Single choice

What accurately describes IPv6 addressing?

1. A

   IPv6 addresses are denoted by eight groups of four hexadecimal numbers.

2. B

   IPv6 uses 128 hexadecimal numbers instead of the 32 hexadecimal numbers used by IPv4.

3. C

   IPv6 is used to converse IP addresses and utilize private addresses.

4. D

   IPv6 uses broadcast addresses for neighbor discovery.

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Correct answerA

Explanation

References:
https://en.wikipedia.org/wiki/IPv6_address#:~:text=An%20IPv6%20address%20is%
20represented,0000%3A8a2e%3A0370%3A7334\

Question 8

Single choice

A network administrator wants to use a subnet that will only have two host addresses.

Which subnet mask meets this requirement?

1. A

   255.255.255.248

2. B

   255.255.255.252

3. C

   255.255.255.254

4. D

   255.255.255.256

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Correct answerB

Question 9

Single choice

Which Border Gateway Protocol (BGP) version supports IPv6?

1. A

   BGPng

2. B

   BGPv2

3. C

   BGPv3

4. D

   BGPv4

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Correct answerD

Question 10

Single choice

On Switch A, a static route has been redistributed into OSPF.

Which type of OSPF router will this process make Switch A?

1. A

   Autonomous System Boundary Router (ASBR)

2. B

   Designated router (DR)

3. C

   Area Border Router (ABR)

4. D

   Backbone Router (BR)

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Correct answerA