Multiple choice

What is a function of the data link layer?

  1. provides the formatting of data

  2. provides end-to-end delivery of data between hosts

  3. provides delivery of data between two applications

  4. provides for the exchange data over a common local media
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The data link layer (Layer 2) provides for the exchange of data over a common local media. It handles framing, physical addressing (MAC addresses), and media access control (like CSMA/CD). Option A refers to the presentation layer (formatting). Option B (end-to-end delivery) is the transport layer's function (Layer 4). Option C (delivery between applications) is the session or application layer's role. Layer 2 specifically deals with getting data across the local network segment.

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