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Udemy

The Complete Networking Fundamentals Course — CCNA Start

4.6(32,000)·380K enrolled
Beginner 79 hours English Completion Certificate Certificate

About this course

David Bombal's networking course is the longest and most comprehensive networking foundations course on Udemy — 79 hours covering TCP/IP from the OSI model up, Ethernet and switching, IP addressing and subnetting, routing protocols (OSPF, EIGRP, BGP), VLANs and trunking, wireless networking, network security fundamentals, and Cisco IOS configuration using Packet Tracer simulations.

The Cisco CCNA is the most recognized entry-level networking certification and the starting point for network engineering, cybersecurity, and cloud networking careers. Bombal's course provides the foundational depth for CCNA preparation while also being genuinely useful for anyone who needs to understand how networks actually work — from home lab enthusiasts to developers who want networking context for their applications.

What you'll learn

Understand and apply the OSI model and TCP/IP protocol suite
Configure IP addressing, subnetting, and VLSM
Configure Ethernet switching, VLANs, and STP
Implement routing protocols including OSPF and static routing
Configure Cisco devices using IOS commands in Packet Tracer

This course includes

79h
On-demand video
Yes
Certificate
Yes
Mobile access
English
Language
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Instructor

DB
David Bombal
Udemy instructor
380K+ learners12 courses4.6 instructor rating

David Bombal is a Cisco Certified Internetwork Expert (CCIE) and one of the most well-known networking educators on Udemy and YouTube, known for hands-on lab approaches.

Requirements

  • No prior networking experience required; basic computer literacy

Who this course is for

  • Beginners who want to understand how networks work from the ground up
  • IT professionals preparing for the Cisco CCNA certification
  • Cybersecurity practitioners who want networking depth

About this provider

UD
Udemy
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Frequently asked questions

It provides an excellent foundation — most CCNA candidates also use additional practice exams and Cisco's own learning materials alongside this course.
Networking is genuinely broad — it covers everything from physical layer to application protocols. The depth is intentional and makes it the most comprehensive single networking resource on Udemy.
Paid
One-time purchase, sales ~$15
Enroll now