Udemy
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UdemyIntroduction to Computer Networking - Beginner Crash Course
4.6(15,631)56k students
UdemyComputer networking doesn't need to feel intimidating. This compact crash course teaches core concepts in plain language by relating them to everyday scenarios—and covers a surprising amount of ground in just 2 hours.
Most lectures run 5 to 10 minutes, making it easy to digest one concept at a time. You'll learn how Ethernet and MAC addresses work, how routers forward traffic, the difference between IPSEC and Layer 2 VPNs, how DNS resolves domain names, and how DHCP assigns IP addresses. The course also covers subnets, network addresses, broadcast addresses, public versus private IPs, and both IPv4 and IPv6 basics.
Downloadable PDF study guides reinforce each topic, quizzes after each chapter confirm your understanding, and the course is explicitly designed as an ideal starting point for the CompTIA Network+ certification exam. Whether you're pivoting into IT, supporting your organization's network, or simply demystifying how data moves across the internet, this course delivers clarity without unnecessary complexity.
"This course explains concepts in a way where you genuinely don't need experience to understand. Relating the concepts to normal daily scenarios or routines is a great way to teach, and to get some much content done in 2 hours is fantastic." -Adam
"It was very informative, and I enjoyed the instructor's explanations and examples. I will recommend him to friends any day!" -Frank
Do you need to understand the basics of Computer Networking? Have you found that many training resources use complex technical jargon that makes it difficult to understand the basic concepts? If you need to get a basic understanding of Networking quickly and clearly, this is the course for you.
Frequent quizzes and downloadable PDF study guides are recent additions to this course that will help you learn even faster!
This course answers the questions:
What is an Ethernet network and how do MAC addresses work?
How is a router used to forward traffic between different networks?
What is the difference between and IPSEC and Layer 2 VPN?
How does DNS work, and why is it important?
What is DHCP, and how does it distribute IP addresses?
What are subnets, network addresses, and broadcast addresses?
What is the difference between a public IP address and a private IP address?
Key Features of this course:
Many downloadable PDF study guides included!
Most lectures in this course are 5 - 10 minutes long.
Ideal starting point for CompTIA Network+ prep.
Quizzes included after each chapter.
Bonus content! If you need to get a basic understanding of IP Addressing quickly and clearly, this is the course for you!
This course addresses the following topics:
What is the purpose of IP addresses?
Private vs. Public IPs
IPv4 vs. IPv6
IP address structure in decimal and binary forms
How to create subnets and design network environments with multiple subnets
Variable Length Subnet Masking and classful addresses
Price
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Not the best price we've seen. The lowest we've recorded is $15.99 on 3 Aug.
This is what we recorded in US pricing — not every price this course has ever had, and prices differ by country.