Chapter 1: Introduction to computer networking

What students learn in this module?

What is Computer Network?

Network Components

Network Representation and Topologies

Common Types of Networks

Internet Connection

Reliable Networks

Network Security

The IT Professional

Computer Network?

A computer network is a collection of interconnected devices, including networking hardware such as routers and switches, as well as end-user devices like computers, smartphones, and printers.

Network Functions?

These devices communicate with each other to share resources, exchange data, and facilitate various activities, from file sharing to internet access.

NETWORK COMPONENTS

NETWORKING DEVICES

•Routers: These devices manage traffic between different networks and direct data packets between them, ensuring that information is sent to the correct destination.

•Switches: Switches connect devices within a single network, forwarding data only to the specific device that needs it, which helps optimize network efficiency.

& END DEVICES

Lesson materials

Chapter 1 Network ToDAY 3 mb Download