Punjab Technical University 2007-5th Sem M.B.A III/I COMPUTER N/W & INTERNET - Question Paper

COMPUTER N/W & INTERNET
MBA
3RD/4TH Semester (2096)

Time : three Hours Max Marks:75

Note: Attempt Ten ques. in all Q.No. one is compulsory.

1.
a. How does info get passed from 1 layer to the next in OSI model?
b. Write all the 3 standards described by the ISO?
c. Compare TCP and UDP?
d. Write about TCP Reference model?
e. What is peer to peer process?
f. Differentiate ranging from bit rate and baud rate? provide an example where both are the same?
g. Write about 3 kinds of transmission impairments?
h. Write about Internet group management protocols.
i. Explain the working of search engine?
j. What is the form of signals in twisted pair and coaxial cable? How does this differ from the signal in optical fibre cable?
k. Define the terms subnet and protocol?
l. Compare working Ms Frontpage and web Browser.
m. What is an internet And Intranet?
n. What is a VPN and Why it is needed?
o. Write about the protocols that provides a security for email.



Part B
2. Explain the function of all layers current in OSI Reference model.
3. Write various kinds of services of connection oriented and connectionless with example.
4. With the help of block diagram , discuss different networks topologies current in the computer network.
5. Write down the name of device used at correspondent layer in OSI reference model.
6. What is the principal difference ranging from Synchronous and asynchronous communication?
7. Compare IEEE Standards 802.4 and 802.5 with diagram.
8. Explain categories of documents used in WWW and Internet.
9. Name the 5 current IP address classes. Which are used for unicast communication.
10. Compare HTTP and FTP. Which 1 is simpler . discuss.
11. What is the difference ranging from classfull and classless addressing. discuss with diagram.
12. Why do we need a DNS system, when we can directly use an IP address.
13. Write about Bidirectional authentication and certification authority.

Earning:   Approval pending.