Download PTU B.Tech 2021 Jan CSE 5th Sem 78323 Computer Networks Question Paper

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Roll No. Total No. of Pages : 02
Total No. of Questions : 18
B.Tech. (CSE) (Sem.=5)
COMPUTER NETWORKS

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INSTRUCTIONS TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.

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2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.

SECTION-A

Answer briefly :

1. Define protocols.

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2. What is bandwidth in network?
3. What is VLAN and why it is used?
4. What is the use of ALOHA protocol?
5. Differentiate IPV4 with IPV6.
6. Define DHCP.

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7. Write the role of FTP.
8. Give the principle of Bluetooth.
9. Discuss UDP Protocol.
10. What is meant by congestion control?

SECTION-B

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11. What is topology and discuss types of topology?
12. Discuss the role of multiplexing in data communication.
13. Write the types of routers. Explain any one in short.
14. Give the basic concept of Cryptography.
15. Discuss Quality of Service improving techniques on transport layer.

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SECTION-C

16. Explain the protocols and standards used in OSI Model.
17. What do you mean by error detection and correction? Discuss cyclic redundancy check.
18. Define multiple access protocol. How CSMA/CA protocol is used to avoid the collision in networks?

NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.

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