Dr Bhim Rao Ambedkar University 2006 B.Tech Information Technology Data Communications -university question paper
Sunday, 20 January 2013 12:20Web
H-421
SECOND YEAR OF COMPUTER SCIENCE AND ENGINEERING (PART-1) EXAMINATION, 2006
DATA COMMUNICATIONS
Total Marks: 100
Time: 2.30pm to 5.30pm
Instructions: 1) Attempt any 3 ques. from every part.
2) Figures to right indicate full marks.
SECTION-1
Q.1. discuss synchronous and asynchronous transmission and compare them.[ Marks 18]
Q.2. a) discuss coaxial cable in detail.[Marks 8]
b) Compare analog and digital transmission.[Marks 8]
Q.3 a) discuss the Full Duplex and Half Duplex Data transmission.[Marks 8]
b) discuss how frequency division multiplexing (FDM) works.[Marks 8]
Q.4. a) discuss the differences ranging from amplitude shift keying and frequency shift keying. [Marks 8]
b) discuss the space division switching.[Marks 8]
SECTION-2
Q.6. Compare OSI and TCP/IP reference model.[Marks 16]
Q.7. discuss n the functions of Presentation Layer and Application Layer of OSI reference model.
[16]
Q.8 Compare connection oriented and connectionless services.[Marks 16]
Q.9. a) what types of errors will be detected using CRC? Justify your ans.[Marks 8]
b) discuss simple stop and wait protocol.[Marks 8]
Q.10. discuss sliding window protocol using Go Back n in detail. Marks 16]
Earning: Approval pending. |