Multiple choice

Which OSI layer and PDU are not correctly matched?

  1. Data Link - Frames

  2. Network - Packets

  3. Transport - Segments/Datagrams

  4. Session - Bits
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The OSI model defines PDUs for different layers: bits for Physical, frames for Data Link, packets for Network, and segments for Transport. The Session layer does not use bits as its PDU; bits are the PDU for the Physical layer.

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