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Which is the PDU for the layer 2 in the OSI Model?
Packet
Frame
Bit
Segment
A protocol data unit (PDU) is and open-system interconnection (OSI) term used in telecommunications. PDU relates to the initial four layers of the OSI model as follows: Layer 1 (Physical Layer) = Bit | Layer 2 (Data Link Layer) = Frame | Layer 3 (Network Layer) = Packet | Layer 4 (Transport Layer) = Segment.
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