Question 1: What are the two reasons for using the layered protocols?
Question 2: What do you mean by the term link to link layers of OSI reference model? Describe their functions in brief?
Question 3: Write a brief note on ISDN?
Question 4: What is the basic difference between boundary level masking and non-boundary level masking? Provide illustrations.
Question 5: Draw the IP datagram header format. IP datagram has a checksum field still it is termed an unreliable protocol. Validate?
Question 6: What are the fundamental principles that were applied to arrive at the seven layers in the OSI model?
Question 7: Describe the working of 3 bit sliding window protocol with appropriate illustration.
Question 8: Describe the given ARQ methods in detail:
a) Stop and wait ARQ
b) Selective repeat ARQ
Question 9: What are the reasons for using the layered protocols?
Question 10: Explain the main responsibilities of the data link layer?