IT502 Unit 1
Computer Networks

Network Fundamentals

Unit 1 Study Material

Download detailed notes, important questions and PYQ analysis for IT502 Computer Networks Unit 1.

🌐 Networks

Computer networks connect devices to share data, resources and services.

📚 OSI Model

OSI model explains network communication using seven logical layers.

🔁 ARP/RARP

ARP maps IP address to MAC address, while RARP does the reverse.

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Detailed Notes

Complete notes on importance of computer networks, broadcast and point-to-point networks, LAN, WAN, ISO-OSI model, TCP/IP model, interfaces, services, ARP, RARP, packet format and encapsulation.

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Important Questions

Important RGPV questions on OSI model, TCP/IP model, connection-oriented and connectionless services, service primitives, ARP, RARP and encapsulation.

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PYQ Analysis

Previous year questions and repeated topics from Computer Networks Unit 1 for quick exam revision.

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Unit 1 Topics

Importance of Computer Networks
Broadcast Networks
Point to Point Networks
Local Area Networks
Wide Area Networks
ISO-OSI Reference Model
TCP/IP Model
Interfaces and Services
Protocol Data Unit
Connection Oriented Services
Connectionless Services
Service Primitives
Protocol Address Binding
ARP
RARP
Packet Format
Encapsulation
OSI vs TCP/IP Model
Network Layering Concept
Data Communication Basics