Question 1: Distinguish between the bit oriented protocols and character oriented protocols.
Question 2: Describe the BSC frame formats.
Question 3: Name the three kinds of frames which HDLC holds?
Question 4: Describe the function of various fields of the HDLC frame.
Question 5: Describe bit stuffing in the HDLC.
Question 6: How many layers X.25 protocol encompasses and how are these are related to the OSI model?
Question 7: Explain the function of each layer of the X.25.
Question 8: Name the two kinds of virtual circuits and distinguish between them.
Question 9: Describe different kinds of X.25 packet formats.
Question 10: How does X.25 handle flow and error control? Describe.