Computer Networks

Complete Computer Networks Notes for placement preparation

This folder contains comprehensive notes on Computer Networks that are useful for placement preparation. The notes cover various topics including network models, protocols, IP addressing, routing, switching, and more.

These notes are designed to help students and professionals enhance their understanding of Computer Networks concepts and prepare effectively for technical interviews and exams related to networking.

Each topic is explained in detail with examples and diagrams to facilitate better learning. The notes are structured in a way that makes it easy to navigate through different sections and find relevant information quickly.

Contents

1. Introduction to Computer Networks

• What is Computer Networking?

• Important Terms in Computer Networks

• Types of Computer Networks

• Network Topologies

• Web vs Internet

• Networking Devices

2. OSI Model

• OSI Model

• TCP/IP Model

• IPv4 Addressing

• Network Protocols

• ARP Protocol

• ICMP Protocol

3. Physical Layer

• Transmission Media

• Throughput, Bandwidth, and Latency

• Modulation and Multiplexing

4. Network Layer

• IPv4 vs IPv6 Addressing

• Subnetting, Supernetting, and CIDR

• Routing Algorithms — Distance Vector, Link State, Bellman-Ford, Dijkstra

• Routing Protocols — RIP, OSPF, BGP

• IP Protocol Concepts — ARP, RARP, ICMP, IGMP

• NAT (Network Address Translation)

• How the Internet Works — End to End

5. Transport Layer

• Transport Layer Overview

• UDP — User Datagram Protocol

• TCP — Transmission Control Protocol

6. Application Layer

• DNS (Domain Name System)

• HTTP vs HTTPS

• Email Protocols — SMTP, POP3, IMAP

• FTP and TFTP

• DHCP (Dynamic Host Configuration Protocol)

• SSH and Telnet

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How to Use

• Browse the markdown files for structured notes and explanations.

• Refer to the images folder for architecture diagrams.

• Use the references to explore further reading and deepen your understanding.

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Sources & References

The content in this repository is curated from multiple reputable sources, including:

• GeeksforGeeks

• TutorialsPoint