Layer 7 - The Application Layer

Written on 4:31 PM by ooe

7 Application <=This layer deal with networking applications. Examples:

  • Email
  • Web browsers

PDU - User Data

Each of the layers have Protocol Data Unit (PDU)


6 Presentation
5 Session
4 Transport
3 Network
2 Data Link
1 Physical

top (seventh) band of the OSI Reference Model is the appliance layer. It provides the user interface. Examples of TCP/IP applications accommodate telnet, FTP, HTTP, and SMTP.

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