Model question paper for " computer network "

 (Compulsory Question)

1. Answer the following in short: 

(i) Differentiate between OSI and TCP/IP models with suitable diagram.

(ii) Compare Guided and Unguided media in terms of data transmission.

(iii) What do you understand by multiplexing? Explain with example.

(iv) Describes the role of bridges in computer network.

2. (a) what is the implication of ‘Topology’ in a network? Explain different types of topology with suitable diagram.

(b) What is a modem? Explain its function.

3. (a) Discuss the transmission mode and categories of computer network.

(b) Explain DTE-DCE interface with suitable example.

4. (a) Explain Shannon capacity with examples.

(b) Explain nose and throughput with an example.

5. Describe in detail about different types of transmission media used in computer networks.

6. (a) with the help of suitable example discuss various error detection and correction scheme.

(b) What is telephony ? write the function of telephony.

7. (a) differentiate between circuit switching and packet switching with example.

(b) Briefly define the following terms

(i) ISDN

(ii) PPP layers

(iii) TDM

(iv) FDM

8. (a) Differentiate between the following:

(i) Repeaters and bridges

(ii) Switches and routers

(b) Explain internetworking and its working procedures.

9. Write short notes on the following terms:

(i) connection management

(ii) Congestion control

(iii) Routing protocol

(iv) Data link layer functions