OSI Standards Overview

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Questions and Answers

What is the primary purpose of the OSI standards?

To establish a set of protocols for communicating among computers
To facilitate the intercommunications of data processing equipment
To add overhead information in the form of headers and trailers
To serve as a structural guideline for exchanging information between computers, workstations, and networks (correct)

What is the relationship between the ISO and ITU-T in regards to the OSI standards?

The ISO and ITU-T have worked together to establish a set of ISO standards and ITU-T recommendations that are essentially identical (correct)
The ISO and ITU-T have endorsed the OSI standards but have not collaborated on them
The ISO and ITU-T have different responsibilities in the development and maintenance of the OSI standards
The ISO and ITU-T have worked independently to establish their own set of standards

How many layers are there in the OSI reference model?

8 layers
7 layers (correct)
5 layers
6 layers

What is the purpose of the layered architecture in the OSI model?

To separate network responsibilities into distinct layers (B) Signup and view all the answers

What is the result of adding headers to each layer in the OSI model?

The transmitted message is mostly overhead information (D) Signup and view all the answers

What is the purpose of the OSI reference model?

To facilitate the intercommunications of data processing equipment (C) Signup and view all the answers

What is the relationship between the ISO and ITU-T in the development of the OSI standards?

The ISO and ITU-T have worked together to establish a set of ISO standards and ITU-T recommendations that are essentially identical (D) Signup and view all the answers

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