Data-link layer of the OSI model specifies – McqOptions

MCQOPTIONS

1.	Data-link layer of the OSI model specifies
A.	Data link procedures that provide for the exchange of data via frames that can be sent and received
B.	The interface between the X.25 network and packet mode device
C.	The virtual circuit interface to packet-switched service
D.	All of the above
Answer» B. The interface between the X.25 network and packet mode device

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