What are the seven OSI model layers in order from Layer 1 to Layer 7?

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Physical, Data Link, Network, Transport, Session, Presentation, Application — Bottom to top the order is Physical, Data Link, Network, Transport, Session, Presentation, Application (mnemonic: Please Do Not Throw Sausage Pizza Away). The distractors each swap an adjacent pair: Network/Transport (L3/L4), Data Link/Network (L2/L3), and Session/Presentation (L5/L6) — a common ordering mistake.

Answer

Physical, Data Link, Transport, Network, Session, Presentation, Application

Answer

Physical, Network, Data Link, Transport, Session, Presentation, Application

Answer

Physical, Data Link, Network, Transport, Presentation, Session, Application

What are the seven OSI model layers in order from Layer 1 to Layer 7?

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