Download PTU B.Tech 2020 March ECE 7th and 8th Sem BTCS 403 Computer Networks Question Paper

Download PTU (I.K. Gujral Punjab Technical University Jalandhar (IKGPTU) ) BE/BTech ECE (Electronics And Communications Engineering) 2020 March 7th and 8th Sem BTCS 403 Computer Networks Previous Question Paper

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Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Tech. (ECE) (2012 to 2017) (Sem.?7,8)
COMPUTER NETWORKS
Subject Code : BTCS-403
M.Code : 71909
Time : 3 Hrs. Max. Marks : 60
INSTRUCTION TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
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
1. Answer briefly :
a) Various network topologies
b) ALOHA
c) What is hidden node problem in wireless networks?
d) Carrier Sense Multiple Access
e) ARP and RARP protocols
f) LAN, MAN and WAN
g) Jitter Control in congestion
h) Broadcast Routing
i) Virtual Private Networks
j) Factors affecting congestion control algorithms

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1 | M - 7 1 9 0 9 ( S 2 ) - 9 2 1
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Tech. (ECE) (2012 to 2017) (Sem.?7,8)
COMPUTER NETWORKS
Subject Code : BTCS-403
M.Code : 71909
Time : 3 Hrs. Max. Marks : 60
INSTRUCTION TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
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
1. Answer briefly :
a) Various network topologies
b) ALOHA
c) What is hidden node problem in wireless networks?
d) Carrier Sense Multiple Access
e) ARP and RARP protocols
f) LAN, MAN and WAN
g) Jitter Control in congestion
h) Broadcast Routing
i) Virtual Private Networks
j) Factors affecting congestion control algorithms

2 | M - 7 1 9 0 9 ( S 2 ) - 9 2 1
SCETION-B
2. Explain in detail the TCP/IP protocol suite.
3. Discuss about Selective Repeat ARQ protocol. What are its advantages over Go-Back-N
ARQ?
4. What is congestion control? Explain any one of the congestion prevention policies.
5. Discuss about the various modes of working in IPSec.
6. What is IP address? What is its use? Also discuss about the classful IPv4 addressing.

SECTION-C
7. Explain how the token bucket algorithm is used for congestion control, with an example.
8. Explain link state routing protocol in detail. Compare it briefly with distance vector
routing protocol.
9. Explain briefly about :
a) IPv6
b) Virtual LANs
c) Node lookup in peer-to-peer 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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