Question 1 Explain classification of computer Network by range

Question 2 Explain three major problems of Transmission lines

Question 3 What is the maximum data rate of a noiseless channel? Explain

Question 4 Write about Simplest protocol and Stop and wait protocol

Question 5 Explain following concepts a) Slotted or impure ALOHA
                                                         b) 10Base2: Thin Ethernet

Question 6 Differentiate between static and dynamic routing

Question 7 a) explain about Congestion prevention policies
                  b) What is reverse path forwarding? Explain

Question 8 Explain about subnet addressing format

Question 9 Write notes on a) ports b) Domain name service (DNS)

Question 10 Discus about widely used e-mail secure systems?