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Understanding IP Addresses and DNS – Short Course
Free 3 CPD hrs

Understanding IP Addresses and DNS – Short Course

Short Course: IP Address and DNSCourse OverviewTarget Audience Beginners interested in networking, IT students and professionals needing foundational understanding.Learning Objectives: Understand the basics of IP addressing (IPv4 & IPv6) Understand basic binary, decimal and hexadecimal. Be able to convert between all three required systems Learn how DNS (Domain Name System) works. Perform practical tasks to solidify learning. Test and reinforce knowledge with quizzes.IP Addresses Throughout this short course, we will look at IP Addresses and how they are used, how they function and why. If you are in the IT industry in any way, you should have the fundamental knowledge of IP Addresses.  As the world (and not only the world) moves more towards networked and internet based services, understanding how they are connected is vital.IP address to name?This short course will also look at the naming system and help you understand what is going on, how computers "think" (we mean work!) and how they are really communicating. Of course we will challenge you a little bit, give you hints on working thing our easier (a bit like a computer) and hopefully cement the understanding.

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Glossary — 3 terms Plain-English definitions of the key terms in this course. Free to read.

What you'll learn

  • Understand IPv4 & IPv6 addressing
  • Explain how DNS resolves names
  • Troubleshoot common DNS issues

Who it's for

Anyone new to networking fundamentals.

Course content

Start here

  • Welcome — how this course works

Introduction to IP Addresses

  • What is an IP Address
  • IPv4
  • IPv4 Part 2
  • IPv4 Answer Section
  • IPv6

Silly Humans

  • Domain Name System
  • Domain Names
  • Additional Rules
  • Subnetting

IPv4 vs IPv6 – The Evolution

  • Why IPv6?
  • IPv6 Structure
  • Living with Both

Understanding DNS – The Internet’s Phone Book

  • What is DNS?
  • Domain Name Structure

How DNS Works – Under the Hood

  • Essential Records
  • Email Records
  • Advanced Records
  • Record Management

Practical DNS & Troubleshooting

  • DNS Lookup Tools
  • Choosing a DNS Provider
  • Troubleshooting Common Issues
  • DNS Security

Putting It All Together

  • The Complete Journey
  • Real-World Scenarios
  • Home Network Setup

Course Summary & Final Assessment

  • Quick Reference Guide
  • Key Takeaways

Practice & Interactive Activities

  • Key terms (flashcards)
  • Match the term to its meaning
  • Sort the addresses: IPv4 or IPv6?
  • Order the DNS lookup steps
  • Complete the sentence
  • Build the sentence
  • Memory match
  • Think about it
  • Troubleshooting scenario

Final Assessment

  • Test yourself