Q 2) List any four services of transport layer.

a) Mention the need for domain name system.

b) What are the goals for setting up networks?

C) Mention the advantages of co-axial cables.

D) What are satellite networks?

E) Briefly list the problems with single channel.

F) What is the need for routing algorithm?

G) List the features of token bus protocol.

H) Compare TCP and IP services.

I) Write a note on e-mail.