Question: Networking foundations cys101 Question 1 2 / 2 pts The OSI and TCP/IP reference models provide a conceptual framework for how systems communicate over a

Networking foundations cys101

Question 1

2 / 2 pts

The OSI and TCP/IP reference models provide a conceptual framework for how systems communicate over a network.

Correct!

True

False

Question 2

2 / 2 pts

Routing and forwarding of data packets occurs on which reference model layer?

Application layer

Correct!

Network layer

Presentation layer

Transport layer

Question 3

2 / 2 pts

The Data Link layer is divided into two sub-layers: the Logical Link Control layer and the ______ layer.

Correct!

Media Access Control (MAC) layer

Logical Access Layer (LAL)

Internetwork Addressing Layer (IAL)

The Data Link layer has only one sub-layer: LLC.

Question 4

2 / 2 pts

What layer is included in the OSI reference model but is not included in the TCP/IP reference model?

Transport layer

Correct!

Session layer

Network layer

Physical layer

Question 5

7 / 7 pts

Match the OSI reference model layer in the left column with the description in the right column that best describes it.

Correct!

Presentation

Where the operating system lies

Correct!

Application

Where the user inputs data and data is output to the user

Correct!

Session

Responsible for creating and maintaining connections between the sending and receiving systems.

Correct!

Transport

Responsible for the logistics of a session

Correct!

Network

Where routers operate

Correct!

Data Llink

Where switches operate and provides a reliable link between two directly connected nodes

Correct!

Physical

Where the hardware that makes up a network resides.

Question 6

2 / 2 pts

Which of the following is not a benefit of using a layered network model?

Correct!

It specifies how changes to one layer must be propagated through the other layers

It facilitates troubleshooting

It allows layers developed by different vendors to inter-operate.

It breaks the complex process of networking into more manageable chunks

Question 7

2 / 2 pts

Which of the following is not a layer in the TCP/IP reference model?

Correct!

Data Link layer

Network layer

Transport layer

Application layer

Question 8

2 / 2 pts

On what OSI reference layer does the application Skype operate?

Correct!

Application layer

Presentation layer

Network layer

Physical layer

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