Are you searching for Computer Networks Notes PDF to prepare for your exams? You’re in the right place! Whether you’re a BCA student or preparing for competitive exams like GATE, these high-quality, easy-to-understand Computer Network notes are perfect for you.
In this article, you’ll get:
Free downloadable PDF notes for each unit
Clear explanations in simple English
Topics covering the complete syllabus
Best study material for quick revision
Explore the units below for detailed content. Want’s to explore more subjects – Study Hub Zone
What is Computer Networking?
Computer Networking is the practice of connecting multiple computing devices—such as computers, routers, and switches—so they can communicate and share data. It is the backbone of the internet, cloud computing, and modern communication.
These notes will help you understand topics like:
OSI and TCP/IP models
Network devices and topologies
IP addressing and subnetting
Routing protocols
Network security
Wireless and mobile networks
Why Use Our Computer Network Notes?
👉 100% Syllabus Covered
👉 Designed for BCA students
👉 Based on Latest University Curriculum
👉 Prepared by Expert Faculty
👉 Perfect for Exam Preparation & Viva
Download Computer Networks Notes PDF – Unit Wise
Click on the download buttons below to get the PDF notes for each unit. All files are safe and free to download.
Course Units
Unit 1: Introduction to Computer Networks
Topics Covered: the fundamentals of computer networks, including types (LAN, MAN, WAN), network topologies, OSI and TCP/IP models, and an overview of guided and unguided transmission media with their comparisons.
Unit 2: Data Link Layer
Topics Covered: data link layer functions like framing, error detection and correction, flow control mechanisms (stop-and-wait, sliding window), error control methods (parity, CRC, Hamming), and key protocols like HDLC and PPP.
Unit 3: Network Layer
Topics Covered: network layer concepts such as logical addressing (IPv4 and IPv6), routing and forwarding, subnetting, supernetting, routing algorithms (distance vector and link state), and switching techniques (circuit, packet, message).
Unit 4: Transport Layer
Topics Covered: transport layer functions including process-to-process communication using TCP and UDP, TCP connection setup and teardown (3-way handshake), and techniques for flow control, error control, and congestion control.
Unit 5: Application Layer and Network Security
Topics Covered: application layer protocols like HTTP, FTP, DNS, and SMTP, alongside network security fundamentals including threats, firewalls, encryption methods, cryptography, digital signatures, VPNs, and proxy servers..
Final Thoughts
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