The OSI reference model is divided into layers and each layer has a specific task to perform. At which layer of OSI model is the File and Print service performed?

Question

Options

• ASession layer
• BPresentation layer
• CTransport layer
• DApplication layer

• A
  5% (2)
• B
  3% (1)
• C
  3% (1)
• D
  90% (36)

Explanation

File and Print services operate at the Application layer (Layer 7) because this is where end-user network services and application-level protocols (like SMB/CIFS for file sharing and LPD/IPP for printing) are exposed directly to software and users. The Session layer (A) manages dialog control and session establishment between applications, not specific services like file/print. The Presentation layer (B) handles data formatting, encryption, and translation (e.g., converting character encoding), not service access. The Transport layer (C) is responsible for end-to-end delivery, flow control, and reliability (TCP/UDP) - it moves data but doesn't know what the data is.

Memory tip: Think of the Application layer as the "front door" - it's the only layer users and applications actually touch. Any named service you'd find in a network share (files, printers, email, web) lives at Layer 7.

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