Computer Networks BCA Sem-III

Bachelor of Computer Application

Subject Name: Computer Networks

Subject Code: 1040233203

Semester - III

Prerequisite: Basic information of Computer hardware and Devices

Objective: The course will create basic fundamental of Networking and network devices with functions. Introduce to data transfer in Network.

Teaching and Examination Scheme:

Content:

Unit No.	Course Contents	Teaching Hours	Weightage %
1.	Introduction: Understanding of network and Internet, Use of network, Network hardware, network software, Reference models.	7	15
2.	Physical Layer Transmission Media Introduction • Guided Media, Twisted Pair, Coaxial Cable, Optical Fiber • Unguided Media, Microwave, Satellite communication, Cellular telephones Network topologies and Switching • Introduction • Topologies ▪ Mesh ▪ Star ▪ Tree ▪ Ring ▪ Bus ▪ Hybrid • Basic of switching • Types of switching ▪ Circuit ▪ Packet ▪ Message Multiplexing and Demultiplexing ▪ Multiplexing and Demultiplexing ▪ Types of multiplexing ▪ FDM versus TDM ▪ EDM	10	20
3.	Data Link Layer • Flow Control • Error Control • Transmission errors :- Detection and correction Introduction Error classification Types of Error Error Detection(Checksum, VRC, LRC, CRC) Recovery from errors • Sliding window protocol	10	20
4.	Network Layer Routing algorithm, Shortest path, Flooding, The IP protocol, IP address, subnets, internet control protocol, IGRP,OSPF,EIGRP,BGP,CIDR,IPV6.	10	25
5.	Transport layer Transport service, Element of transport protocol, The internet transport protocol, Principle of reliable data transfer.	7	10
6.	Application Layer: Web and HTTP, E-mail, DNS, Network security	4	10

Course Outcome:

Sr. No.	CO statement	Unit No.
CO-1	Analyze, specify and design the topological and routing strategies for an IP based networking infrastructure.	1
CO-2	Analyze the requirements for a given organizational structure and select the most appropriate networking architecture and technologies.	2,3
CO-3	Getting Knowledge of Networking Tools	4,5,6

Teaching & Learning Methodology:-

• The course includes a laboratory, where students have an opportunity to build

anappreciation for the concepts being taught in lectures.

• Lectures with live practical example using Projector and Computer

• Experiments shall be performed in the laboratory related to course contents.

List of Experiments/Tutorials:

Sr. No.	Practical's
1.	Block Diagram of Computer System and Explain its Various Components
2.	Study of different types of Network cable and practical implement of cross wired cable using clamping tool
3.	Explain following computer network devices.
4.	1.HUB 2.BRIDGES 3.ROUTER 4.SWITCH 5.GATEWAY 6.REPEATER
5.	Study of Network IP
6.	Prepare one demo Network with Subnetting.
7.	Wireless Access Point Setup Instructions
8.	Packet Analysis Using Wireshark.
9.	Study of Various packets of protocols like http, smtp, tcp etc.