Osmania University (OU) 2006-1st Sem B.E Electronics & Tele-Communication Engineering 4/4 (E.C.E)(ester) supplementary ,il - exam paper
FACULTY OF ENGINEERING
B.E 4/4 (E.C.E)(I- Semester) supplementary Examination,April 2006
DATA COMMUNICATION AND COMPUTER NETWORKS Code No. : 10460/iN
FACULTY OF ENGINEERING B.E. 4/4 (ECE) (I-Semester) Supplementary Examination, April 2006 DATA COMMUNICATION AND COMPUTER NETWORKS
Time: Three Hours] [Maximum Marks: 75
Answer ALL questions of Part - A.
Answer FIVE questions from Part - B.
PART-A (Marks: 25)
1. What is meant by flow control? 2.5
2. What is the need for error control ? 2.5
3. What is the need for routing table? 2.5
4. What is deadlock? Mention types. 2.5
5. Mention different network topologies. 2.5
6. What is IEEE 802-2? 2.5
7. What is UDP ? 2.5
8. Differentiate between bridge and router? 2.5
9. WTiat is the need for data compression? 2.5
10. Mention the principle of cell relay. 2.5
PART-B (Marks: 5 * 10 = 50)
11. Write detailed notes on ARQ techniques. 10
12. (a) Differentiate between packet switching and circuit switching. 5 (b) Give two solutions for deadlocks. 5
13. Give the layout and explain protocol of IEEE 802.4 in detail. Give token and frame format. 10
14. (a) Draw TCP/IP model and explain the function of each layer. 5 (b) What are the merits and demerits of TCP/IP model over OSI model. 5
15. (a) List the type of channels used in ISDN,
(b) Differentiate between ISDN & BISDN.
16. Write short notes on: / : : ?-
(a) STDM
(b) Digital Private Brandi Exchange. -
17. Writenoteson:
(a) Principle of internetworking v
(b) SNMP. ,
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| Earning: Approval pending. |
