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Benefits of Layered Models in Networking

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Benefits of Layered Models in Networking

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Questions and Answers

What are the benefits of using a layered model in networking?

Creating language barriers in networking functions and capabilities

Limiting the compatibility of products from different vendors

Reducing the need for protocol design

Fostering competition and preventing technology changes from affecting other layers (correct)

In the OSI model, which layer contains protocols used for process-to-process communications?

Application layer (correct)

Session layer

Transport layer

Presentation layer

What does the presentation layer provide in the OSI model?

Services to segment, transfer, and reassemble data

Services to the session layer

Process-to-process communications

Common representation of transferred data (correct)

Which reference models describe network operations in complex concepts?

TCP/IP Reference Model Signup and view all the answers

What is the main purpose of the transport layer in the OSI model?

To define services to segment, transfer, and reassemble data for individual communications Signup and view all the answers

Why do layered models assist in protocol design?

Because they create a defined interface to the layers above and below Signup and view all the answers

In the context of data communication, which layer of the TCP/IP model determines the best path through the network?

Internet Signup and view all the answers

According to the OSI model, which layers discuss the necessary procedures to access the media and the physical means to send data over a network?

Data Link and Physical Signup and view all the answers

What is the primary benefit of segmenting messages in data communication?

Increases speed and efficiency Signup and view all the answers

What is the process of numbering the segments so that a message may be reassembled at the destination?

Sequencing Signup and view all the answers

Which protocol is responsible for sequencing the individual segments in data communication?

TCP Signup and view all the answers

What is the process where protocols add their information to the data in data communication?

Encapsulation Signup and view all the answers

What is a PDU called when it is in the form of segmented data according to the TCP/IP suite?

Packet Signup and view all the answers

In data encapsulation, what is the process of breaking up messages into smaller units?

Segmenting Signup and view all the answers