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

Download PTU (Punjab Technical University) B.Tech (Bachelor of Technology) / BE (Bachelor of Engineering) 2021 January CSE 5th Sem 78323 Computer Networks Previous Question Paper

Roll No.
Total No. of Pages : 02
Total No. of Questions : 18
B.Tech. (CSE) (Sem.?5)
COMPUTER NETWORKS
Subject Code : BTCS 504-18
M.Code : 78323
Time : 3 Hrs. Max. Marks : 60
INST RUCT IONS T O CAND IDAT ES :
1 .
SECT ION-A is COMPULSORY cons is ting of TEN questions carrying TWO marks
each.
2 .
SECT ION-B c ontains F IVE questions c arrying FIVE marks eac h and s tud ents
have to atte mpt any FOUR q ues tions.
3 .
SECT ION-C contains THREE questions carrying T EN marks e ach and s tudents
have to atte mpt any T WO questio ns.
SECTION-A
Answer briefly :
1) Define protocols.
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.
7) Write the role of FTP.
8) Give the principle of Bluetooth.
9) Discuss UDP Protocol.
10) What is meant by congestion control?
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SECTION-B
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.
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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