Question 1

How many bits are borrowed from the default host portion of the address to create subnets in a Class B network with a subnet mask 255.255.255.0?

Options :

A : 3 bits

B : 5 bits

C : 8 bits

Answer: C

Question 2

What is the purpose of a subnet mask?

Options :

A : Distinguishes the network and host segments

B : Provides encryption for network traffic

C : Determines the next-hop router

D : Aids in route prioritization

Answer: A

Question 3

What are the steps to mount a Cisco device in a rack?

Options :

A : Mount in rack.

Install mounting brackets.

Ground the device.

B : Install mounting brackets.

Mount in rack.

Ground the device.

C : Ground the device.

Install mounting brackets.

Mount in rack.

D : Install mounting brackets.

Ground the device.

Mount in rack.

Answer: B

Question 4

Which layer of the OSI model provides error detection and defines how access to the media is controlled?

Options :

A : Presentation layer

B : Physical layer

C : Network layer

D : Data link layer

Answer: D

Question 5

Why is a Cisco Nexus switch typically deployed in a network?

Options :

A : In branch offices for local area networking

B : In data centers for high-performance, low latency switching

C : As wireless access points in enterprise campuses

D : As edge routers connecting to ISPs

Answer: B

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