Karnataka State Open University (KSOU) 2010-3rd Sem B.Sc Information Technology Data Communication -- Question Paper
Illlllllllllllllllll BS 33 (NS)
III Semester B.Sc. (I.T.) Examination, June/July 2010 DATA COMMUNICATION
Time : 3 Hours Max. Marks : 75
PART - A
Answer all questions : (10x2+5x1=25)
1. Write the basic data communication model.
2. Name the layers of OSI reference model.
3. What is half-duplex transmission ?
4. Distinguish between continuous signal and discrete signal.
5 . Define repeater.
6. What is line coding ?
7. Write the basic characteristics of HDLC.
8. Give the IEEE 802.5 frame structure.
9. What are datagrams ?
10. What is peer-to-peer network ?
1 1 . Explain the following :
a) URL
b) LLC
c) WLAN
d) CRC
e) WAP.
Answer any five questions :
1. Explain the basic components of a communication model with diagram.
(5x10=50)
2. Write a short note on TCP/IP reference model.
3. Explain the different guided transmission media in detail.
4. Write a note on Go-back-N ARQ.
5. Explain link state and hierarchical routing.
6. Discuss various congestion prevention policies.
7. Write a note on NAT.
8. Why should one deploy a WLAN ? Explain.
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| Earning: Approval pending. |
