The data link layer takes the packets from _____ and encapsulates them into frames for transmission.
Which sublayer of the data link layer performs data link functions that depend upon the type of medium?
Automatic repeat request error management mechanism is provided by
CRC stands for
Which one of the following is the multiple access protocol for channel access control?
The technique of temporarily delaying outgoing outgoing acknowledgements so that they can be hooked onto the next outgoing data frame is called
Which one of the following is a data link protocol?
When 2 or more bits in a data unit has been changed during the transmission, the error is called
Header of a frame generally contains