Jawaharlal Nehru Technological University Hyderabad 2010-2nd Year B.Tech Computer Science and Engineering R07 CSE Computer Science Engineering -Jawarharlal Nehru Technological University - EMBER, 3rd-university exam paper
JNTU-HYDERABAD : third Year second Semester December 2010 B-Tech examination ques. Papers Regular R07 Regulations.
COMPUTER NETWORKS ques. paper has been attached.
Code No: 07A6EC08 R07I Set No. 2
III B.Tech II Semester Examinations,December 2010 COMPUTER NETWORKS Common to Information Technology, Electronics And Computer Engineering, Computer Science And Engineering, Computer Science And
Systems Engineering Time: 3 hours Max Marks: 80
Answer any FIVE Questions All Questions carry equal marks k k k k k
1. (a) Explain the home applications of computer networks?
(b) Compare LAN, MAN and WAN.
(c) Bad Technology is also a problem for OSI reference model.Justify. [4+6+6]
2. (a) Explain shortest path routing in detail
(b) What is routing? Explain two major classes of routing algorithms? [8+8]
3. Explain the following :
(a) MACA protocol
(b) Fast Ethernet. [8+8]
4. (a) Television channels are 6MHz wide. How many bits/sec can be sent if four
level digital signals are used? Assume a noiseless channel.
(b) How does a virtual circuit differ from a physical circuit? What advantages would a virtual circuit provide? [8+8]
5. (a) What are the different types of errors? Also discuss at least two methods for
error detection and correction.
(b) Discuss the services provided by the data link layer to the network layer?
[8+8]
6. (a) Explain the ATM addressing with suitable example.
(b) Give TCP header format and explain. [8+8]
7. What are the two categories of cryptography methods? What is the main difference between two categories? Explain each one of them with examples. [16]
8. Explain the attributes of flow characteristics and explain any two types of the traffic shaping techniques to improve QOS? [16]
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