DCN (QUESTION BANK)

DRONACHARYA GROUP OF INSTITUTIONS, G.NOIDA

QUESTION BANK

DCN (EEC 702)

1.     Differentiate between Computer Network and communication network.

2.     Why do we use layered protocols? Compare OSI and TCP  reference models.

3.     What are the different transmission media? Discuss one in detail.

4.     What is the use of byte and bit stuffing in data? Explain .

5.     What do you mean by pipelining? Explain it with examples.

6.     Explain the relationship between data rate and bandwidth .A noiseless 4 kHz channel is samples every 1msec.what is the maximum data rate.

7.     What should be the window size in Go-Back-N ARQ protocol and why?

8.     We have a baseband channel with a I-MHz bandwidth. What is the data rate for0011001  if we use one of the following line coding schemes?

a.      NRZ-L

b.     Manchester

c.      Differential  Manchester

9.     Explain selective repeat ARQ in detail.

10.  Explain bridges, routers, gateways and different level switches.

11.  What is the difference between datagram subnet and virtual circuit subnet? Explain routing within a virtual circuit subnet?

12.  Describe the concept of tunneling in internetworking.

13.  Explain internet protocols (TCP) in detail.

14.  Explain real time transport protocol.

15.  Write short notes on:

                  a. Remote procedure call.

b. UDP.

                 c. ATM transport layer protocol.

16.  Describe window management in TCP.

17.  What are the different transmission media? Discuss one in detail.

18.  What is the use of byte and bit stuffing in data? Explain .

19.  What should be the window size in Go-Back-N ARQ protocol and why?

20.  Describe the concept of tunneling in internetworking.

21.  Explain internet protocols (UDP) in detail.

22.  Write short notes on any two

(a)   Remote procedure call.

(b)  Real Time Transport Protocol.

(c)   ATM transport layer protocol.

(d)  Window Management in TCP.

23.  What is relation between the S-frame and I frame in HDLC configuration?

24.  Why do we perfect CSMA over Aloha?

25.  Explain Reservation Protocol? Where do we use them?

26.  What are the different elements of Transport protocol? And also explain how we establish a connection.

27.  Explain Point To Point protocol in detail.

28.   Describe OSI Layers and various protocols associated with them?

29.   Describe selective reject protocol.

30.   What is relation between the S-frame and I frame in HDLC configuration?