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Network Fundamentals

Go in-depth into networking devices and technologies. Explore network types, protocols, models, attacks, security and more.

14 videos  //  81 minutes of training

Course description

Review everything you ever needed to know about network fundamentals with this fourteen-video course. Beginning with OSI (Open Systems and Interconnection) protocols and layers, this course explores the TCP/IP model, network devices and security, IP networking, multi-layer protocols, Dynamic Host Configuration Protocol (DHCP), network cabling and topology, signaling types and much more. Take a closer look at switched and permanent virtual circuits, or find out what DORA or POTS stands for. It’s all here!

Course syllabus

OSI ProtocolsDuration: 5:44

OSI LayersDuration: 7:14

TCP/IP ModelDuration: 3:44

Network DevicesDuration: 7:47

Network SecurityDuration: 4:01

IP NetworkingDuration: 9:29

DNS and DHCPDuration: 6:24

ARPDuration: 2:36

Multi-layer ProtocolsDuration: 3:38

Converged ProtocolsDuration: 7:20

Network Cabling and TopologyDuration: 9:49

Signaling TypesDuration: 3:19

Network AttacksDuration: 8:13

SwitchingDuration: 1:25

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.

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"Comparing Infosec to other vendors is like comparing apples to oranges. My instructor was hands-down the best I’ve had." 

James Coyle

FireEye, Inc.

"I knew Infosec could tell me what to expect on the exam and what topics to focus on most."

Julian Tang

Chief Information Officer

"I’ve taken five boot camps with Infosec and all my instructors have been great."

Jeffrey Coa

Information Security Systems Officer

Plans and pricing





$599 / license

Annually. Includes all content plus team admin and reporting.