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      Question

      Which layer of the OSI model handles MAC addressing and

      frame delivery?
      A Network Layer Correct Answer Incorrect Answer
      B Physical Layer Correct Answer Incorrect Answer
      C Data Link Layer Correct Answer Incorrect Answer
      D Transport Layer Correct Answer Incorrect Answer
      E Session Layer Correct Answer Incorrect Answer

      Solution

      The Data Link Layer (Layer 2) handles physical (MAC) addressing, framing, and error detection between directly connected nodes. Switches operate at this layer. The Network Layer (Layer 3) handles logical IP addressing and routing.

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