Section A: Answer the given problems in not more than 1000 words each.
problem 1: Describe how three-tier architecture tries to overcome the limitations of two-tier architecture. describe different kinds of middle ware products.
problem 2: What do you mean by the term SMTP? describe its functions and limitations. Describe how POP and IMAP try to solve the problems of SMTP?
problem 3: Describe how information can be secured in the Internet.
Section B: Answer the given problems in not more than 500 words each.
problem 4: Describe the necessary elements necessary to make a Virtual Private Network (VPN) functional.
problem 5: What do you mean by the term World Wide Web (WWW)? How does it work?
problem 6: Describe the client-server architecture and also describe its limitations.
problem 7: Describe in brief different kinds of computer viruses and recommend remedies for avoiding them.
problem 8: Describe the concept of Extranet. Describe its benefits.
problem 9: Describe the features of Z 39.50.