1.2.7: Upper Layers of the OSI Model

This set of flashcards covers the key concepts and terminology related to the upper layers of the OSI model, specifically focusing on Layers 5, 6, and 7.

Session Layer

Layer 5 of the OSI model, responsible for establishing, managing, and terminating sessions between applications.

Presentation Layer

Layer 6 of the OSI model, responsible for data format transformation and can support data compression and encryption.

Application Layer

Layer 7 of the OSI model, provides interfaces for software applications and allows them to communicate over the network.

Session

A sequence of messages exchanged between a client and server.

Data Transformation

The process of converting data between different formats, commonly done at the Presentation layer.

Upper-Layer Protocols

Protocols providing services that enhance network functionality, such as web browsing and email.