Presentation Layer(Layer 6)

Ø  Responsible for defining a standard format for the data.
Ø  It deals with data presentation i.e. Before sending any traffic, it will tell in which format our data has to be sent.
Ø  Encoding – Decoding:
·  Ex: ASCII,EBCDIC (Text)
·  JPEG,GIF,TIFF (Graphics)
·  WAV,MP3 (Voice)
·  MPEG,DAT,AVI,MP4 (Video)                
Ø  Encryption – Decryption:
·  Ex: DES,3-DES,AES
Ø  Compression – Decompression:
·  Ex: Predictor, Stacker, MPPC



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