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Computer Network

Unit-1

Lecture Videos

Computer Network, syllabus Wise Unit-1 Lecture Videos
Introduction to Computer Networks
Introduction to Network Types
LAN, WAN, MAN
Network Topologies
OSI Reference Model
TCP/IP Reference Model
Comparison of OSI and TCP/IP Reference Models
OSI Vs TCP/IP
Lack of OSI Model's Success
Internet History
Physical Layer Introduction
Guided Media (Twisted-pair, Coaxial, Fiber optic cables)
Unguided Media (Wireless: Radio waves, Microwaves, Infrared)

Unit-1 Syllabus

UNIT I: Introduction: Network Types, LAN, MAN, WAN, Network Topologies Reference models- The OSI Reference Model- the TCP/IP Reference Model - A Comparison of the OSI and TCP/IP Reference Models, OSI Vs TCP/IP, Lack of OSI models success, Internet History. Physical Layer –Introduction to Guided Media- Twisted-pair cable, Coaxial cable and Fiber optic cable and unguided media: Wireless-Radio waves, microwaves, infrared.