WorksheetsData Link Layer Protocol
Total questions: 4
Worksheet time: 5mins
When does the station B send a positive acknowledgement (ACK) to station A in Stop and Wait protocol?
only when no error occurs at the transmission level
when retransmission of old packet in a novel frame is necessary
only when station B receives frame with errors
all of the above
Which among the following represents the objectives/requirements of Data Link Layer?
Frame Synchronization
Error & Flow Control
Both a & b
None of the above
What are the frames issued by the secondary station of HDLC ,known as?
Link
Command
Response
None of the above
Which operational mode/s of HDLC support/s the balanced configuration by governing point-to-point link connectivity in addition to the primary as well as secondary functions performed by the station?
NRM
ARM
Both a & b
None of the above
