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The Presentation Layer is the sixth layer of the seven-layer OSI model of computer networking.Responsible for formatting data so that application-layer protocols (and then the users) can recognize and work with it. I

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Posted by sagitraz

www.roseindia.net/technology/networking/osi.shtml

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Posted by crouse

The presentation layer is responsible for formatting data so that application-layer protocols (and then the users) can recognize and work with it. If you think about file extensions—such as .doc, .jpg, .txt, .avi, and so on—you realize that each of these file types is formatted for use by a particular type of application. The presentation layer does this formatting, taking the application layer data and marking it with the formatting codes so that it can be viewed reliably when accessed later. The presentation layer can also do some types of encryption, but that is not as common as it used to be since there are better ways to encrypt that are easier on CPU and RAM resources.

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Posted by AbramianDaniel

Presentation layer do the following:

Coding into 1s & 0s
encryption
compression

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Posted by Hash007