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Table Of Contents  CertiGuide to Network+
 9  Chapter 0010:  ISO, OSI, and IEEE Standards
      9  II  Open Systems Interconnect

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Layer 6 - Presentation Layer
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Layer 7 - Application Layer

The application layer is the top most layer of the OSI model. Due to the name, it is frequently confused with applications as in word processing or spreadsheets.

Common application layer uses are:

  • File transfer

  • Terminal communications

  • Sending and receiving e-mail

  • Internet browsing

    Figure 31: Layer 7 - Application Layer

     


Layer 7

Know that network functions like file transfer, terminal communications, e-mail and Internet browsing operate at the Application layer.



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