Roll No. ...................... Total No. of Questions: 08]

[Total No. of Pages : 02

.

M. Tech. DATA COMMUNICATION NETWORKS SUBJECT -CODE: EC - 503 Paper

ID : [E0563]

(Note: Please fill subject code and paper ID on OMR]

Time:

03.Hours

Instruction

-

Attempt any Five questions.

2)

All questions carry equal marks.

'(b)

Q2) (a) (b)

Marks:

100

to Candidates:

1)

Ql) (a)

Maximum

List at least ten advantages of digital data communication over analog data c011llI).unication. Compare different transmission, media on the basis of various transmission impairments. Explain the DTE-DCE interface and also discuss their popular standards. Explain in brief. (i) Longitudinal redundancy check (LRC). (ii) Cyclic redundancy check (CRC).

Q3) (a)

Discuss the two methods data flow control across communication link.

(b) - Discuss bit oriented and character oriented protocols with example. Q4) (a) (b)

Compare the FDM & TDM. Discuss the CSMA/CD MAC layer protocol in detail.

Q5) (a)

Differentiate between packet..switching, message switching and circuit ~witching in detail. . . .

(b) What are the advantages ofFDDI over a basic Token ring? Q6) (a)

What are functions of the data link layer?

(b)

What are functions of the network layer?

M..,1520/1859/

R T.o.

Q7) (a) What is the need of IPv6? Compare the IP addressing in IP, IPv4 and

IPv6.

.

(b) Explain theATM frame and its architecture. Q8) (a) What do you understand mobile IP33N and Explain? (b) Discuss how the privacy of network is maintained.

0*0*

~-1520

2

GNDEC M.Tech EC 2009 Data Communication Networks.pdf ...

(b) Discuss the CSMA/CD MAC layer protocol in detail. Q5) (a) Differentiate between packet..switching, message switching and circuit. ~witching in detail. . . . (b) What are the advantages ofFDDI over a basic Token ring? Q6) (a) What are functions of the data link layer? (b) What are functions of the network layer?

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