Networking and internet technology


Section A: Answer the given questions in not more than 1000 words each.

Question 1: Describe how three-tier architecture tries to overcome the limitations of two-tier architecture. Explain different kinds of middle ware products.

Question 2: What do you mean by the term SMTP? Explain its functions and limitations. Describe how POP and IMAP try to solve the problems of SMTP?

Question 3: Describe how information can be secured in the Internet.

Section B: Answer the given questions in not more than 500 words each.

Question 4: Describe the necessary elements necessary to make a Virtual Private Network (VPN) functional.

Question 5: What do you mean by the term World Wide Web (WWW)? How does it work?

Question 6: Describe the client-server architecture and also describe its limitations.

Question 7: Describe in brief different kinds of computer viruses and recommend remedies for avoiding them.

Question 8: Describe the concept of Extranet. Describe its benefits.

Question 9: Describe the features of Z 39.50.

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