Welcome to the Networking Fundamentals guide! This resource covers essential concepts for understanding how networks operate and connect devices. Let's dive into the basics:

Key Concepts 📚

  • IP Address
    A unique identifier for devices on a network.

    IP Address Illustration

  • DNS
    Translates domain names to IP addresses.

    DNS Process Flow

  • HTTP vs. HTTPS
    HTTP is for unsecured data transfer, while HTTPS uses encryption.

    HTTP HTTPS Security

  • TCP/IP Protocol Suite
    The foundation of internet communication.

    TCP/IP Protocol Stack

Networking Devices 🧰

  • Routers
    Direct traffic between networks.

    Router Switch Differences

  • Switches
    Connect devices within the same network.

    Switch Function Diagram

  • Firewalls
    Protect networks from unauthorized access.

    Firewall Protection Mechanism

Security Basics 🔒

  • Use strong passwords for network devices.
  • Enable encryption (e.g., WPA3 for Wi-Fi).
  • Regularly update firmware to patch vulnerabilities.

For deeper insights, explore our guide on Network Security.

Network Security Best Practices