Video Description

A Deeper look at the OSI Model This lesson offers a more in-depth review of the OSI Model, which consists of seven layers: Layer 1: Physical - Anything that can be touched, measured and seen. Layer 2: Data link - Provides point to point connectivity Layer 3: Network - IP/routing Layer 4: Transport - TCP/UDP for management and session data Layer 5: Session - Connection management Layer 6: Presentation - Formatting data Layer 7: Application - Manages how application are able to send and receive over a network

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