MCASemester 32022-23Computer NetworksKCA-303

Computer Networks (KCA-303) - AKTU Question Paper 2022-23

MCA · Semester 3 · Free PDF Download

This is the official AKTU Computer Networks Previous Year Question Paper for MCA Semester 3, academic session 2022-23. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:MCA

Semester:Semester 3

Session:2022-23

University:AKTU / UPTU

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Questions Asked in 2022-23

Computer Networks (KCA-303) — complete question paper

Section AAttempt all questions in brief. 2 x 10 = 20

a
List out components of d ata communication system
b
Discuss various transmission modes
c
Discover how many times a pac ket has to visit the network l ayer and data link layerduring a transmission from S to D? Assume that Source S an d Destination D areconnected through an intermediate router R
e
Discuss Dynamic Host Con figuration Protocol(DHCP)
f
Explain Round-Trip Time (RTT)
g
Describe sockets with respect to communication system
h
What is three-way handshaking? (i) Discuss role of SMTP in email communication system. (j) Define cookies with respect to computer networks

Section BAttempt any three of the following: 10 x 3 = 30

a
Discuss various computer network topologies with suitable d iagrams
b
A bit stream 10011101 is transmitted using the standard CRC method. The generator polynomial is x^3 + 1. Show the actual bit string transmitted. Suppose the third bit from the left is inverted during transmission. Show that this e rror is detected at the receiver’s end
c
Consider an IP address 196.10.19.10 /26. Solve the followin g: (i) Network Address (ii) Custom subnet mask (iii) Total Number of available subnets (iv) Total number of host addresses (v) e. Subnet address and broadcast address of every subnet
d
Justify the statement “TCP is reliable than UDP”. Also elab orate format for TCP packet
e
Write short notes on any two: (i) Domain Name Systems (ii) Telnet (iii) FTP

Section CAttempt any one part of the following: 10 x 1 = 10

a
Discuss various types of tran smission media with their applications areas
b
Explain responsibilities each layer in ISO/OSI Model with suitable diagrams
a
Explain Selective Reject and Go-Back-N-ARQ with reference t o sliding window protocol
b
What do you mean error handling at data link layer? Discuss h a m m i n g c o d e w i t h suitable example
a
What is need of IP address? Discuss Classful addressing in IPv4
b
Discuss IPv4 packet format with suitable diagram the at net work layer
a
Differentiate between Open Loop and Closed Loop Congestion Control at transport layer
b
Explain various traffic shaping algorithms
a
Define network security and discuss various network securit y services in computer networks
b
Discuss E-mail architect ures with its components

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

Repeated Questions — KCA-303

Questions that appeared in more than one session, found by comparing 4 years of Computer Networks papers (2021-22, 2022-23, 2023-24, 2024-25)

List out components of d ata communication system

Appeared in: 2022-23 · 2023-24

Discuss various types of tran smission media with their applications areas

Appeared in: 2022-23 · 2024-25

Computer Networks — Other Year Papers

AKTU Computer Networks PYQs from other sessions

Computer Networks2021-22 Computer Networks2022-23 Computer Networks2023-24 Computer Networks2024-25

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