Essentials of Networking

Keep your machines talking to each other with this course on the essentials of networking, including hubs and switches, WANs and routers, structured cabling and more.


  • Introduction to Networking Video — 00:08:10
    • You’ll never understand the power of the Internet without first starting at the most basic form of networking: the Local Area Network (LAN).

  • Hubs vs. Switches Video — 00:05:17
    • Whether hubs or switches, a good tech understands the function and features of these boxes in our LANs.

  • Hexadecimal Video — 00:07:07
    • Hexadecimal numbering uses a base-16 system that’s very convenient for IT techs, and it’s important to look at a hex value and understand the equivalent binary value.

  • WANs and Routers Video — 00:09:12
    • To understand Wide Area Networks, it’s critical to understand routers and how they use logical addressing.

  • Cables and Connectors Video — 00:10:35
    • Networking uses many different types of cables and connectors, and a good tech should recognize those types.

  • Crimping Cables Video — 00:10:03
    • CompTIA doesn’t expect you to prove you can crimp your own cables, but it does expect you to understand the crimping process.

  • Structured Cabling Video — 00:10:40
    • While CompTIA doesn’t want you to be a cable installer, a good tech understands structured cabling and can work with installers.

  • Network Card Troubleshooting Video — 00:09:24
    • Good techs know a few simple tools and procedures to get networks back up and running quickly.


Course description

An isolated machine is likely to be safer, but the foundation of today’s technology is communication. Make sure your machines are talking to each other — safely — with this course on the essentials of networking, covering hubs and switches, WANs and route

Meet the author

Mike Meyers, affectionately called the “Alpha Geek,” is the industry’s leading authority on CompTIA certifications. He is the president and co-founder of Total Seminars, LLC, a provider of PC and network repair seminars, books, videos and courseware for thousands of organizations throughout the world. Mike has been involved in the computer and network repair industry since 1987 as a technician, instructor, author, consultant and speaker. He has sold over a million IT and certification books, including the best-selling CompTIA A+ Certification All-in-One Exam Guide and CompTIA Network+ Certification All-in-One Exam Guide. He has personally taught thousands of students, including U.S. senators, U.S. Supreme Court Justices, members of the United Nation, every branch of the U.S. Armed Forces, many branches of the Department of Justice, hundreds of corporate clients and academic students at every level.

Associated NICE Work Roles

All Infosec training maps directly to the NICE Workforce Framework for Cybersecurity to guide you from beginner to expert across 52 Work Roles.

  • All-Source Analyst
  • Mission Assessment Specialist
  • Exploitation Analyst

You're in good company


We use Infosec Skills to provide continuous training to our technicians and to prepare them for various certifications. Infosec Skills allows us to create personalized training programs that focus on each of our technicians’ particular roles and see their progress as they take courses. We also, recommend it to clients to make their IT support teams better.

Caleb Yankus


This has been utilized to bridge the skills gap across our cyber team and to aid them as they prepare for their various certifications. It also has provided a nice learning foundation for our various cyber team members to utilize as we continue to find ways for cross-utilization with operations while minimizing the downtime needed to ensure everyone’s knowledge is the same.

Daniel Simpson


We use Infosec Skills to provide base level knowledge for employees. We also use the services to provide in depth learning for employees as they encounter new technologies. If an employee is is assigned to a new project, we can rely on Infosec Skills to provide a rapid concentrated learning environment. This rapid concentrated learning positions our employees for success.

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Plans & pricing

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    • 190+ role-guided learning paths and assessments (e.g., Incident Response)
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    • Optional upgrade: Guarantee team certification with live boot camps

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