Data are sent in blocks called ________.
A) links
B) units
C) entities
D) frames
Correct Answer:
Verified
Q2: In a data link control protocol,_ control
Q3: HDLC uses asynchronous transmission.
Q4: In situations where the bit length of
Q5: Error control enables a receiver to regulate
Q6: Transmission time is not proportional to the
Q8: The _ time is the time it
Q9: The sending station must not send frames
Q10: Selective reject is a useful choice for
Q11: Synchronization and interfacing techniques are sufficient by
Q12: The beginning and end of each frame
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