The Presentation Layer – Layer 6

The main function of the presentation layer is to define the data formats used to provide a number of services to the Application layer.

Included in these services the ones you need to know are:

The Presentation Layer Layer 6 246x300 The Presentation Layer   Layer 6

  • Data encryption – coding data so that it is protected from unauthorizaed access
  • Data compression – reducing the number of packets required for transport
  • Data formatting
  • Data conversion
  • Conversions standards defined on the Presentation Layer for data conversion and formatting:

    Category Standards
    Data Conversion ASCII, EBCDIC, encryption
    Audio/video conversion MIDI, MPEG, QuickTime, AVI
    Graphics conversion GIF, JPEG, PICT, TIFF
    Tags: Presentation layer, what is presentation layer
    1. OSI Layer Model | CCNA Study Guide - pingback on May 7, 2012 at 4:11 am

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