This course is for students of +2 (Compuer Science) studying under CBSE board. It will help them understand the basic, but important concepts of data communication & networks. They will also learn how computer networks work and how cyber security is important in our daily life.

The topics (taken from the official syllabus) which we will cover are mentioned below:

Data Communication & Security Aspects

Data communication: Concept of communication, Types of Data Communication, switching techniques
Communication  Media:  Wired  Technologies  –  Twisted  pair  cable,  Co-axial  cable,  Ethernet Cable, Optical Fibre;

Introduction to mobile telecommunication technologies Wireless Technologies – Bluetooth, WLAN, Infrared, Microwave
Network Protocol: Need for Protocol, Categorization and Examples of protocol, HTTP, FTP, IP, PPP; electronic mail protocol Concept of Channel, Bandwidth (Hz, KHz, MHz) and Data Transfer rate (bps, Kbps, Mbps, Gbps, Tbps)

Security Aspects

Threats  and  prevention: Viruses, Worms, Trojan horse,  Spam,  Cookies, Adware,  Firewall,  http vs https Network Security Concepts: Firewall, Cookies, Hackers and Crackers Antivirus and their workings.