Question 1

(a) In TCP/IP model, there are some commonly used application-level protocols. Critique the type of protocol for each of the following.

(i) Serving World Wide Web

(ii) Exchange email messages between email servers

(iii) Phonebook of the Internet

(iv) Download files from a remote host to the local host

(v) Interact with remote computer

(vi) Retrieve email messages from email server

(2 marks) (2 marks) (2 marks) (2 marks) (2 marks) (2 marks)