Data Communication & Network CCNA It is known that the OSI model has seven layers. Can you tell me at which layers of the OSI model WANs operate? (Choose two.)

It is known that the OSI model has seven layers. Can you tell me at which layers of the OSI model WANs operate? (Choose two.)

CCNA

It is known that the OSI model has seven layers. Can you tell me at which layers of the OSI model WANs operate? (Choose two.)

A. session layer
B. datalink layer
C. transport layer
D. physical layer

Answer: B,D

Data Communication & Network

It is known that the OSI model has seven layers. Can you tell me at which layers of the OSI model WANs operate? (Choose two.)

It is known that the OSI model has seven layers. Can you tell me at which layers of the OSI model WANs operate? (Choose two.)

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