_________refers to the process where a protocol module receives a message from a lower layer module, read the header and passes the data field content up to its upper layer module according to the header information.

_________refers to the process where a protocol module receives a message from a lower layer module, read the header and passes the data field content up to its upper layer module according to the header information.





a. Encapsulation
b. Decapsulation
c. Peer-to-peer processing
d. Stateful Packet Inspection (SPI)





Answer: B


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