As a CCNA candidate, you need to know OSI model very well, a packet is the protocol data unit for which layer of the OSI model?
A. network
B. presentation
C. session
D. data link
Answer: A
As a CCNA candidate, you need to know OSI model very well, a packet is the protocol data unit for which layer of the OSI model?
A. network
B. presentation
C. session
D. data link
Answer: A