Download JNTUA M.Tech 1st Sem 2017 Feb 9D06104 Advanced Data Communications Question Paper

Download JNTUA (JNTU Anantapur) M.Tech ( Master of Technology) 1st Semester 2017 Feb 9D06104 Advanced Data Communications Previous Question Paper

Code: 9D06104

M.Tech I Semester Regular & Supplementary Examinations January/February 2017
ADVANCED DATA COMMUNICATIONS
(Digital Systems and Computer Electronics)

Time: 3 hours Max. Marks: 60
Answer any FIVE questions
All questions carry equal marks
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1 (a) Give the comparison of ASK, FSK and PSK.
(b) Discuss about DPSK generation, recovery and its bandwidth consideration in detail.

2 Discuss the consequences if a connection fails for the following type of network:
(a) Five devices arranged in mesh topology.
(b) Five devices arranged in star topology.
(c) Five devices arranged in tree topology.

3 (a) Describe about the features, operations and benefits of LAN and WAN.
(b) Explain about DTE ? DCE interface.

4 The code 11110101101 was received. Using hamming encoding algorithm, what is the original
code sent. How to correct the burst error?

5 Illustrate with example and explain the operation of stop and wait protocol.

6 What are the types of switches used in circuit switching? Explain each type in detail.

7 Illustrate with diagram and write down the procedure for carriers sense multiple access collision
detection and collision avoidance.

8 Name three channelization protocols. Give comparison of the same.

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