Data communication and computer networks

Question

Question 1:

a) Produce Hamming code for the message: 1101010
b) Describe sliding window Go back n and Selective repeat protocol.

Question 2:

a) Describe IEEE 802.11 
b) Describe about ALOHA.

Question 3: What is the reminder obtained by dividing x⁷ + X⁵ + 1 by the generator x³ + 1?

Question 4:

a) Draw and describe about HDLC protocol.
b) Draw and explain point-to-point protocol.

Question 5: Describe:

a) Virtual LANS
b) Spanning Tree Bridges

Question 6: Describe about SONET/SDH Architecture.

Question 7:

a) Describe SONET Networks.
b) Describe ATM Networks.
c) Describe about Back bone Networks.

Question 8:

a) Write brief notes on Frame Relay.
b) Describe about different Bridges.