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Cyber Security
Unit
Goal Glimpse
What is a Network? Different Types of Networks
What is Internet? Various Terms Related to Internet
What is Spam? What is Malware?
Antivirus Protecting Your Data on Internet
Firewall Cyber Security
What is Cybercrime? Netiquettes
Cyber Law
In today’s modern world, we depend on the Internet for our everyday activities. It majorly
influences how we communicate, access information, and engage with the world around
us. The Internet offers many ways to learn new things, stay updated on news, have fun with
entertainment, and use helpful online services. This unit will help us in understanding the
network and its basics. We will also learn about the Internet and its basic terminologies with
other details of how to keep our information safe, enabling us to make smart choices in an
increasingly digital world.
WHAT IS A NETWORK?
In computer terms, a network is defined as a collection of computers and devices that are
interconnected, allowing users to easily communicate and share important files, software,
resources, and information as needed. Each computer in a network is called a node. The
computers in the network may be linked through a cable, hub, switch, NIC (Network Interface
Card), modem, or router.
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