N10-005 Question #930: Real Exam Question with Answer & Explanation

The correct answer is D: Physical, Data Link, Network, Transport, Session, Presentation, Application.. The seven OSI layers in order from Layer 1 to Layer 7 are: Physical (1), Data Link (2), Network (3), Transport (4), Session (5), Presentation (6), Application (7). A common mnemonic is 'Please Do Not Throw Sausage Pizza Away.' Option B is nearly correct but swaps Session and Pres

Question

Which of the following correctly lists the layers of the OSI model starting at Layer 1?

Options

AData Link, Physical, Network, Transport, Presentation, Session, Application.
BPhysical, Data Link, Network, Transport, Presentation, Session, Application.
CPhysical, Data Link, Transport, Network, Session, Presentation, Application.
DPhysical, Data Link, Network, Transport, Session, Presentation, Application.

Explanation

The seven OSI layers in order from Layer 1 to Layer 7 are: Physical (1), Data Link (2), Network (3), Transport (4), Session (5), Presentation (6), Application (7). A common mnemonic is 'Please Do Not Throw Sausage Pizza Away.' Option B is nearly correct but swaps Session and Presentation (placing Presentation at Layer 5 and Session at Layer 6), which is wrong. Option D has the correct order.

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