Previous year question paper for CN (B-TECH computer science engineering 4th)

Computer networks

Previous year question paper with solutions for Computer networks from 2013 to 2023

Our website provides solved previous year question paper for Computer networks from 2013 to 2023. Doing preparation from the previous year question paper helps you to get good marks in exams. From our CN question paper bank, students can download solved previous year question paper. The solutions to these previous year question paper are very easy to understand.

1. Introduction to Computer Networks:

Data Communication System and its components, Data Flow, Computer network and its goals, Types of

computer networks: LAN, MAN, WAN, Wireless and wired networks, broadcast and point to point

networks, Network topologies, Network software: concept of layers, protocols, interfaces and services,

ISO-OSI reference model, TCP/IP reference model. [7]

2. Physical Layer:

Concept of Analog & Digital Signal, Bandwidth, Transmission Impairments: Attenuation, Distortion,

Noise, Data rate limits : Nyquist formula, Shannon Formula, Multiplexing : Frequency Division, Time

Division, Wavelength Division, Introduction to Transmission Media : Twisted pair, Coaxial cable, Fiber

optics, Wireless transmission (radio, microwave, infrared), Switching: Circuit Switching, Message

Switching ,Packet Switching & their comparisons. [6]

3. Data Link Layer:

Design issues, Framing, Error detection and correction codes: checksum, CRC, hamming code, Data link

protocols for noisy and noiseless channels, Sliding Window Protocols: Stop & Wait ARQ, Go-back-N

ARQ, Selective repeat ARQ, Data link protocols: HDLC and PPP. [6]

4. Medium Access Sub-Layer:

Static and dynamic channel allocation, Random Access: ALOHA, CSMA protocols, Controlled Access:

Polling, Token Passing, IEEE 802.3 frame format, Ethernet cabling, Manchester encoding, collision

detection in 802.3, Binary exponential back off algorithm. [6]

PART-B

5. Network Layer:

Design issues, IPv4 classful and classless addressing, subnetting, Routing algorithms: distance vector and

link state routing, Congestion control: Principles of Congestion Control, Congestion prevention policies,

Leaky bucket and token bucket algorithms [6]

6. Transport Layer:

Elements of transport protocols: addressing, connection establishment and release, flow control and

buffering, multiplexing and de-multiplexing, crash recovery, introduction to TCP/UDP protocols and their

comparison. [3]

7. Application Layer:

World Wide Web (WWW), Domain Name System (DNS), E-mail, File Transfer Protocol (FTP),

Introduction to Network security 

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