Arista Foundations Practice Questions - Arista ACE Network Foundations (AN-FN-OP01) - Associate Tier Exam

How many layers does the OSI reference model define, and what is the order from layer 1 to layer 7?

5 layers: Physical, Data Link, Network, Transport, Application 7 layers: Physical, Data Link, Network, Transport, Session, Presentation, Application 4 layers: Link, Internet, Transport, Application 7 layers: Application, Session, Network, Data Link, Transport, Presentation, Physical

Correct Answer:

7 layers: Physical, Data Link, Network, Transport, Session, Presentation, Application

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