Basics of Computer Networks

About Course

This course introduces you to the fundamentals of computer networking — the backbone of all digital communication. You will learn how data travels through networks, understand network topologies, protocols, IP addressing, and explore how devices communicate securely over the internet.

By completing this course, you’ll gain the knowledge required to understand network structures, identify components, and prepare for more advanced Cyber Security topics like Network Security and Ethical Hacking.

Course Content

Introduction to Computer Networks
What is a Network? Components of a Computer Network Advantages and Types of Networks (LAN, WAN, MAN, PAN) Network Topologies Explained

Data Communication Concepts
Data Transmission Modes (Simplex, Half Duplex, Full Duplex) Bandwidth, Latency, and Throughput Circuit Switching vs Packet Switching Real-world Data Flow Example

Network Models
OSI Model Explained (7 Layers) TCP/IP Model Overview Encapsulation and Decapsulation Process Protocols Used at Each Layer

IP Addressing and Subnetting
IPv4 and IPv6 Basics Public vs Private IPs Subnet Masks and CIDR Notation Subnetting Examples

Networking Devices
Hubs, Switches, and Routers Modems, Firewalls, and Access Points Network Interface Cards (NIC) Understanding MAC Addresses

Network Security Overview
Common Network Threats Firewalls and IDS Basics Secure Network Design Concepts Importance of Network Monitoring

Practical Networking
Ping and Traceroute Commands Configuring Basic Network Connections Real-world Network Setup Example Troubleshooting Common Issues

Course Summary
Recap of All Concepts How Networking Supports Cyber Security Next Steps: Learning Network Security Fundamentals

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About Course

What Will You Learn?

Course Content

Introduction to Computer Networks What is a Network? Components of a Computer Network Advantages and Types of Networks (LAN, WAN, MAN, PAN) Network Topologies Explained

Data Communication Concepts Data Transmission Modes (Simplex, Half Duplex, Full Duplex) Bandwidth, Latency, and Throughput Circuit Switching vs Packet Switching Real-world Data Flow Example

Network Models OSI Model Explained (7 Layers) TCP/IP Model Overview Encapsulation and Decapsulation Process Protocols Used at Each Layer

IP Addressing and Subnetting IPv4 and IPv6 Basics Public vs Private IPs Subnet Masks and CIDR Notation Subnetting Examples

Networking Devices Hubs, Switches, and Routers Modems, Firewalls, and Access Points Network Interface Cards (NIC) Understanding MAC Addresses

Network Security Overview Common Network Threats Firewalls and IDS Basics Secure Network Design Concepts Importance of Network Monitoring

Practical Networking Ping and Traceroute Commands Configuring Basic Network Connections Real-world Network Setup Example Troubleshooting Common Issues

Course Summary Recap of All Concepts How Networking Supports Cyber Security Next Steps: Learning Network Security Fundamentals