Internet Technology 2070

Tribhuwan University
Institute of Science and Technology
2070
Bachelor Level / Seventh Semester / Science
Computer Science and Information Technology ( CSC-402 )
( Internet Technology )
Full Marks: 60
Pass Marks: 24
Time: 3 hours
Candidates are required to give their answers in their own words as far as practicable.
The figures in the margin indicate full marks.

Attempt all the questions.

1. How does satellite link work? What are the advantages using satellite as communications?

6 marks view

2. What do you mean by internet protocol suite? Discuss about the IP heads.

6 marks view

3. What are the main services provided by PGP protocol? How those consume in mail application?

6 marks view

4. What is VPN tunnel? Illustrate the principle of VPN client-server interaction with an example.

6 marks view

5. Describe the XML usage in web. What an XML element can contain, show with an example.

6 marks view

6. What do you mean by universal naming conventions? Given a URL string "http:mail.google.com/?shva=index#inbox”. Now identify schema name hierarchical part, query & fragment in the string.

6 marks view

7. How an AJAX program gets executed? Discuss the steps of AJAX operations. Show with e.g. How can we create XML http report object?

6 marks view

8. What are the proxy servers? Differentiate each of open, forward and reverse proxy servers.

6 marks view

9. Define working mechanism of VOIP? How undefined message benefits the communication systems?

6 marks view

10. Why load balancing is needed in servers? How WRR allocation for load balancing differs from dynamic round robin allocation?

6 marks view