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Network Fundamentals

Explore the details of network fundamentals with twenty videos covering network layers, access points, cable types and more.

20 videos  //  80 minutes of training

Free training week — 600+ on-demand courses and hands-on labs

Course description

The network is the lifeblood of any organization, and understanding and protecting it requires a great deal of knowledge and skill from you. In this course, twenty videos will take you deeper into the details of network fundamentals: IPv4 and IPv6, addressing, access points and wireless controllers, network topologies, troubleshooting, configuring IP addressing and the details of the various layers from application to physical. Includes walkthroughs, vocabulary and diagrams.

Course syllabus

Network FundamentalsDuration: 0:52

OSI & TCP/IP ModelsDuration: 7:24

The Need for Private IPv4 AddressesDuration: 3:48

Appropriate IPv6 AddressingDuration: 3:57

Configuring IPv6 AddressingDuration: 5:29

Transport LayerDuration: 4:11

Network LayerDuration: 3:20

Data Link & Physical LayerDuration: 7:49

TCP and UDPDuration: 2:56

Infrastructure ComponentsDuration: 1:46

FirewallsDuration: 1:44

Access Points & Wireless ControllersDuration: 8:07

Three Tiered ArchitectureDuration: 2:39

Network TopologiesDuration: 2:13

Cable TypesDuration: 2:24

Troubleshooting Isolation-Escalation-ResolutionDuration: 2:34

Troubleshooting Methodology: ExamplesDuration: 3:29

Troubleshooting MethodologyDuration: 6:46

Configure IP AddressingDuration: 5:03

IPv4 Address TypesDuration: 3:16

Meet the author



At Infosec, we believe knowledge is the most powerful tool in the fight against cybercrime. We help IT and security professionals advance their careers with a full regimen of certification and skills training. We also empower all employees with security awareness training to stay cybersecure at work and home. Driven by smart people wanting to do good, Infosec educates entire organizations on how to defend themselves from cybercrime. That’s what we do every day — equipping everyone with the latest security skills so the good guys win.

Plans and pricing





$599 / seat

Annually. Includes all content plus team admin and reporting.

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Infosec Skills courses and labs are powered by LX Labs — our elite team of cyber SMEs, learning specialists and community of top-ranked security instructors, published authors and sought-after industry leaders. We rigorously vet all Infosec Skills training resources to guarantee they meet certification and compliance requirements and align with recognized guidelines like the NICE Cybersecurity Workforce Framework.

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