N10-005 Question #514: Real Exam Question with Answer & Explanation

The correct answer is A: Presentation. JPEG and ASCII are data representation and encoding standards, which operate at Layer 6 - the Presentation layer of the OSI model. The Presentation layer is responsible for translating data between the format used by the application and the format used for network transmission. T

Question

Standards such as JPEG and ASCII operate at which of the following OSI model layers?

Options

APresentation
BData link
CSession
DApplication

Explanation

JPEG and ASCII are data representation and encoding standards, which operate at Layer 6 - the Presentation layer of the OSI model. The Presentation layer is responsible for translating data between the format used by the application and the format used for network transmission. This includes data encoding (ASCII, Unicode), data compression (JPEG, MPEG), and data encryption (SSL/TLS at this layer). Layer 2 (Data Link) handles MAC addressing and frame delivery on a local segment. Layer 5 (Session) manages communication sessions between applications. Layer 7 (Application) provides network services directly to end-user applications.

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