Punjab Technical University 2006-3rd Sem B.Sc Information Technology -ITNETWORKING , INTERNET & COMMUNICATION TECHNIQUES - Question Paper

Paper BSIT -304 , (O)
NETWORKING , INTERNET & COMMUNICATION
TECHNIQUES
BSCIT third Semester (2096)

Time: 3 Hours Max Marks:75

Note: The ques. paper consists of 2 parts A and B
3) Attempt all ques. from Part A
4) Attempt any 9 ques. from Part B.


Part A

1.
a. What are connectionless and connection oriented services.
b. What is peer to peer and server centric networks?
c. What are centralized and distributed network services.
d. What is the difference ranging from asynchronous and synchronous bit synchronization.
e. What do you mean by topology of the network?
f. What is packet sequence control?
g. Explain the ring topology. What is the drawback of ring topology?
h. What are twisted pair cables?
i. What is the function of FTP software?
j. What is the difference ranging from HTTP and WWW?
k. What is a browser ? provide ant 2 browser?
l. What is the difference ranging from a bridge and a gateway?
m. elaborate multiplexers. Why are they important?
n. What is public and private key encryption?
o. What are active and passive advertisements?

(15x2=30)]

Part B
2. Enlist the various layers of the OSI model? discuss any 3 layers in detail.
3. Explain the various transmission media in detail.
4. What is network topology. discuss the various topologies possible in the network.
5. What do you mean by fault and correction. discuss any 2 fault and correction methods.
6. What are the network layer design problems.
7. What do you mean by routing. elaborate the various routing algorithms? discuss any routing algorithm in detail.
8. What are the user agents. What is the method of sending and receiving an e-mail?
9. What is the meaning of bandwidth. discuss the difference ranging from base band and the broadband bandwidth.
10. Explain what hardware is needed to develop a network a network of 10 workstations.
11. What is wireless media? explain wireless media with reference to the parameters of frequency range, cost, installation and attenuation.
12. What is digital signaling. What is current state and state transition method?
13. What is multiplexing? discuss FDM, TDM and STDM.

(9x5=45)

Earning:   Approval pending.