Computer networks notes

Date: November 5, 2017

Category: computer networks notes, computer networks tutorial, data communications and networking, gate study material for cse

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Computer networks notes

Computer networks is an important subject for gate cse exam.Computer networks notes or gate cse syllabus for computer networks subject is presented in this post. These computer networks notes are explained in form of different article. Link of computer networks tutorial for different topic is given here.I hope these computer networks tutorial will assist to cover gate cse syllabus for computer networks and preparation.

Data communications and networking

In data communications and networking we connecting different computers and communications devices to make a computer networks this had a large influence. On the way computer systems are organized. The concept of the ‘computer center’ as a server room with a large computer and devices to which users bring their work for processing is now become obsolete.

The old model of a single computer serving all of the organization’s computational needs has been replaced by one in which a large no. of separated but interconnected computers do the job in data communications and networking. These system are called computer network.

Objectives behind the study of this data communications and networking subjects are

To develop an understanding of computer architecture and its performance.
To Introduce students about different types of network and network topology.
To Introduce about different networking protocols and their working.
To make aware students with emerging technologies and their impact.

Pre-Requisites: Student should have knowledge of Computer Fundamental, Hardware, Basic of networking devices.

Gate cse syllabus of Computer Networks

Computer networks notes for the following topics will, be covered on this portal.

1. Introduction and Layers

This is the first unit of computer network notes. In this unit computer networks basics are covered. The content of this unit is as follows

·   Introduction to computer network basics
Goals and Applications of Networks
·        Network structure and architecture
·        The OSI reference model and services
·        Network Topology Design
·        Delay Analysis
·        Back Bone Design
·        Local Access Network Design
·        Physical Layer Transmission Media
·        Switching methods
·        ISDN
·        Terminal Handling.

2. Data Link Layer

This is the second unit of computer networks notes. In this unit following topics are covered.

·        Medium Access sub layer
·        Channel Allocations
·        LAN protocols
·        ALOHA protocols
·        Overview of IEEE standards
·        FDDI.
·        Data Link Layer
·        Elementary Data Link Protocols
·        Sliding Window protocols
·        Error Handling

3. Network Layer

This is the third layer of osi model. In this unit different concepts of network layers have been covered. These are as follow

·        Point – to Point Networks
·        Routing
·        Congestion control Internet-working -TCP / IP
·        IP packet
·        IP address
·        IPv6.

4. Transport Layer

Transport layer is the next to network layer of osi model. In this units different concepts of this layer are covered. The concepts are as follows

·        Transport Layer

·        Transport layer design issues
·        Connection management
·        session Layer
·        Design issues
·        Remote procedure call.

6.Presentation Layer

At presentation layer following concepts are covered.

·        Design issues at presentation layer

·        Data compression techniques
·        Cryptography
·        TCP
·        Window Management.

7.Application Layer

At application layer following concepts are covered.

·        Application Layer Introduction

·        File Transfer
·        Access and Management
·        Electronic mail
·        Virtual Terminals
·        Other application.
·        Example Networks – Internet and Public Networks.

Text Book for Computer Networks

1. Forouzen, “Data Communication and Networking”, TMH

2. A.S. Tanenbaum, Computer Networks, Pearson Education

3. W. Stallings, Data and Computer Communication, Macmillan Press

References Book For Computer Networks

1. Anuranjan Misra, “Computer Networks”, Acme Learning

2. G. Shanmugarathinam, ”Essential of TCP/ IP”, Firewall Media

Computer Networks Tutorials

Here you will get various tutorial related to Computer Networks concepts and examples that will help you to solve the Computer Networks based questions for Gate Exam.

Theory Concepts

1.Computer Network Study Material Tutorial : What is Data Encapsulation Process during Data Transmission in Computer Network ?

2. Computer Network Tutorial : TCP/IP Protocol Suite based Study Material for gate Computer Science

3.Computer Network Tutorial on Routing Concepts in Computer Networks

4.Computer Networks Tutorial : IP Addressing and IP Address Classes

5.Network layer design issues

6.Physical Layer in Computer Networks

7. Domain Name System Tutorial

8.Difference Between FTP and HTTP Protocol