Basics of Networking and Cyber Security
What is Basics of Networking and Cyber Security?
A group of two or more computer systems linked together.
Key points
- Understand the fundamental concepts of computer networks.
- Identify different types of networks and their components.
- Grasp the principles of cyber security.
- Recognize common cyber threats and vulnerabilities.
Common exam trap
Confusing networking with internet connectivity only.
Definitions
- Term
Network
- Meaning
A group of two or more computer systems linked together.
- Term
Protocol
- Meaning
A set of rules that govern data communication between devices.
- Term
LAN (Local Area Network)
- Meaning
A network that connects computers and devices in a limited geographical area such as a home, school, laboratory, or office building.
- Term
WAN (Wide Area Network)
- Meaning
A network that spans a large geographical area, often connecting multiple LANs.
- Term
Cyber Security
- Meaning
The practice of protecting systems, networks, and programs from digital attacks.
- Term
Malware
- Meaning
Short for malicious software, it is any software designed to cause damage to a computer, server, client, or computer network.
- Term
Phishing
- Meaning
A cybercrime where attackers try to trick victims into revealing sensitive information, such as usernames, passwords, and credit card details, by disguising themselves as a trustworthy entity in an electronic communication.
- Term
Firewall
- Meaning
A network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
- Term
Encryption
- Meaning
The process of converting information or data into a code, especially to prevent unauthorized access.
Learning objectives
Understand the fundamental concepts of computer networks.
Identify different types of networks and their components.
Grasp the principles of cyber security.
Recognize common cyber threats and vulnerabilities.
Learn about basic security measures and best practices.
Prerequisites
Basic understanding of computer hardware and software.
Familiarity with operating systems (Windows, Linux).
General awareness of the internet and its usage.
Common mistakes
Confusing networking with internet connectivity only.
Underestimating the variety and sophistication of cyber threats.
Assuming basic antivirus is sufficient for comprehensive cyber security.
Ignoring the importance of user awareness in security.
Not understanding the difference between network protocols and security protocols.
Keywords
Networking
Cyber Security
LAN
WAN
Internet
Protocols
TCP/IP
Malware
Phishing
Firewall
Encryption
Data Protection
Network Security
Practice preview
What is the primary purpose of a firewall in a computer network?…
easy
Which of the following network types is typically confined to a small geographical area, such as a single building or campus?…
easy
What is the key difference between HTTP and HTTPS protocols?…
medium