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Previous Year Question Paper

CS-602 - Computer Networks

June 2026•CSE•SEMESTER-6
June 2026
Max Marks: 70
Duration: 3 Hours
Instructions:

• Attempt any five questions.

• All questions carry equal marks.

Q.1
a)Unit 1

Define Computer Network. Explain its goals, components, and applications.

b)Unit 1

Compare the OSI Reference Model and TCP/IP Model with suitable diagrams.

Q.2
a)Unit 2

Discuss design issues in computer networks and explain the concepts of connection-oriented and connectionless services.

b)Unit 2

Explain the principles of Physical media, bandwidth,data rate, and data modulation. Wife mem, $=fagy, ow wn 2 diepew & Frgial & sre ifm)

Q.3
a)Unit 2

Explain the functions of the Data Link Layer. Discuss framing techniques in detail.

b)Unit 2

Explain Go-Back-N ARQ and Selective Repeat ARQ protocols with suitable examples. . IgE FRU HET Go-Back-N ARQ RAT Selective Repeat ARQ WETDIcT GASETI

Q.4
a)Unit 3

Describe flow control techniques. Compare Stop-and Wait and Sliding Window Protocols.

Q.5
a)Unit 4

Compare CSMA/CD and CSMA/CA protocols.

b)Unit 4

Describe IEEE 802 LAN standards and explain the architecture of Local Area Networks.

Q.6
a)Unit 4

Explain the functions of the Network Layer and discuss different switching techniques.

b)Unit 4

Describe Bellman-Ford routing algorithm and compare it with Dijkstra s algorithm. Bellman-Ford Routing Algorithm &7 aof @ifsw dem $9! ger Dijkstra Algorithm &ifsel

Q.8
b)Unit 5

Explain the architecture and working of the Simple ) Network Management Protocol (SNMP). Simple Network Management Protocol (SNMP) El EAT BF HRiToTel &f wren Sif EE 2 bt 3 E CS602(GS) \ BN