The OSI Model

Reference Models in Communication Networks

Connection Oriented and Connectionless Services

Types of Communication Networks

UnBounded or UnGuided Transmission Media

Fiber Optic Cable

Coaxial Cable

Twisted Pair Cable

Transmission Mediums in Computer Networks

Transmission Modes in Computer Networks

Types of Network Topology

Line Configuration in Computer Networks

Uses of Computer Networks

Basic Communication Model

Introduction To Computer Networks

DCN – Network Services