Question:
Which two statements about PDU encapsulation are true? (Choose two.)
- During encapsulation, each layer adds a header and trailer to the PDU from the layer below
- During encapsulation, each layer adds a header and sometimes adds a trailer to the PDU from the layer above
- In the TCP/IP reference model, PDU encapsulation occurs on the network layer
- PDU encapsulation takes place only at the transport layer
- In the TCP/IP reference model, PDU encapsulation starts on the Internet layer with the data from the application layer
Exam with this question: CCNA v3.0 (200-125) Study Guide – Exam Dumps
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