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      • Network Engineering Basics – Intro: About This Course
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      • Part 2: Modems Routers and Switches Explained
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      • Part4: LAN vs WAN vs Internet (Explained Simply)
      • Part 5: What Is a Firewall? (Explained Simply)
      • Part 6: What Is DNS and Why It Matters
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πŸ“š Learning & Career Development

The Learning & Career Development category supports network engineers at all stages of their careers. Content focuses on skill development, certification guidance, lab strategies, and professional growth within the IT and networking fields.

Articles are designed to help engineers build strong technical foundations, advance their expertise, and navigate long-term career paths.

LAN vs WAN vs Internet (Explained Simply)

January 11, 2026January 4, 2026 by bill
Diagram illustrating the difference between a LAN, a WAN, and the Internet in a basic network layout

Learn the difference between LAN, WAN, and the Internet with simple diagrams in this beginner-friendly network engineering guide.

Categories Part 4: LAN vs WAN vs Internet (Explained Simply) Tags internet, lan, wan Leave a comment

IP Addresses and Subnets (Made Simple)

January 11, 2026January 3, 2026 by bill
Diagram illustrating IP addresses and subnets showing how devices are grouped and identified on a network

Learn what IP addresses and subnets are and how they work with simple diagrams in this beginner-friendly network engineering guide.

Categories Part 3: IP Addresses and Subnets (Made Simple) Tags a beginners guid series Leave a comment

Modems Routers and Switches Explained

January 11, 2026January 2, 2026 by bill
Diagram showing a modem, router, and switch and how they work together in a basic network setup

Learn the difference between modems, routers, and switches in this beginner-friendly guide to network engineering basics.

Categories Part 2: Modems, Routers, and Switches Explained Tags modems, Network Engineering Basics, routers, switches 1 Comment
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  • January 2026
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🏷️ Categories

  • A Beginner’s Guide Series
  • Artificial Intelligence
  • Cryptography
  • Firewalls
  • Network Engineering Basics
  • Part 1: What Is a Network?
  • Part 10: Entry-Level Network Engineering Tools
  • Part 2: Modems, Routers, and Switches Explained
  • Part 3: IP Addresses and Subnets (Made Simple)
  • Part 4: LAN vs WAN vs Internet (Explained Simply)
  • Part 5: What Is a Firewall? (Explained Simply)
  • Part 6: What is DNS and Why It Matters
  • Part 7: What Is DHCP? (And Why Networks Depend on It)
  • Part 8: Wired vs Wireless Networking (Explained Simply)
  • Part 9: Basic Network Security Concepts (Explained Simply)
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  • πŸ›‘οΈ Network Security & Reliability
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πŸ“° Recent Posts

  • Entry-Level Network Engineering Tools
  • Basic Network Security Concepts (Explained Simply)
  • Wired vs Wireless Networking (Explained Simply)
  • What Is DHCP? (And Why Networks Depend on It)
  • What Is DNS and Why It Matters
  • What Is a Firewall? (Explained Simply)
  • LAN vs WAN vs Internet (Explained Simply)
  • IP Addresses and Subnets (Made Simple)
  • Modems Routers and Switches Explained
  • What Is a Network?
  • Network Engineering Basics
  • Public and Private Keys Explained
  • What Is a Firewall?
  • What Are Modems, Routers, and Switches?
  • Beginner SSH Key Setup Guide
  • What Is SSH and How to Use It Securely
  • How AI Is Changing Network Engineering
  • Advanced iTerm2 Configuration
  • Beginner’s Guide to iTerm2
  • iTerm2 Explained
  • Terminal Emulators Explained


πŸ‘₯πŸ’¬ Recent Comments

  1. Eric on Modems Routers and Switches Explained

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One response to “Modems Routers and Switches Explained”

  1. Eric Avatar
    Eric
    January 4, 2026

    Thanks, this clear up some confusion I had. I thought they were all one device.

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