Cisco CCNA 200-125 – The Complete Guide to Getting Certified
4.9 (122 ratings)
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Cisco CCNA 200-125 – The Complete Guide to Getting Certified

The highest rated CCNA course online with complete tutorials, flashcards and hands-on labs
4.9 (122 ratings)
Instead of using a simple lifetime average, Udemy calculates a course's star rating by considering a number of different factors such as the number of ratings, the age of ratings, and the likelihood of fraudulent ratings.
884 students enrolled
Created by Neil Anderson
Last updated 9/2017
Current price: $10 Original price: $200 Discount: 95% off
5 hours left at this price!
30-Day Money-Back Guarantee
  • 27.5 hours on-demand video
  • 33 Articles
  • 170 Supplemental Resources
  • Full lifetime access
  • Access on mobile and TV
  • Certificate of Completion
What Will I Learn?
  • Get what you need to pass the Cisco CCNA Routing and Switching 200-125 exam
  • Gain hands-on configuration and troubleshooting experience through practice labs
  • Explore how routing and switching technologies work in real world environments
  • Develop skills to work on enterprise production networks
View Curriculum
  • You’ll need basic knowledge of how to operate a computer and browse the Internet; that’s it!
  • Absolute beginners to networking are welcome. I’ll start with beginner level networking and explain every single acronym and concept you need to pass the exam.

If you want to jumpstart your career in IT and networking by acing the Cisco CCNA exam, then this course is for you! It gives you a full understanding of all the concepts and topics you need to earn the most in-demand networking certification today by passing the Cisco CCNA Routing and Switching 200-125 exam.

This course offers an easy to understand, structured approach to shortcut your path to mastering Cisco networking to the CCNA level and beyond.

In this course, you will:

  • Develop a deep understanding of Cisco’s features and functions

  • Walk through complete and easy to understand explanations of each technology area covered in the exam

  • Follow simple step by step instructions to build your own fully featured lab on your laptop for free

  • Gain hands on configuration and troubleshooting experience through comprehensive lab exercises

  • Learn how networking really works through real world examples throughout the course

  • Build the skills and confidence to crush the CCNA 200-125 exam

  • Gain demonstrable knowledge and practical experience to supercharge your networking career

Supercharge Your Learning with Hands-on Practice

This course is chock full of activities. You’ll get over 300 pages of hands-on lab exercises with detailed answers to check your understanding every step of the way and build your configuration and troubleshooting skills.  Full diagrams and lab setup files are included so you can get started immediately with just your laptop. No equipment or previous experience is required.

All slides in the course are also included in supplemental flashcard format with expanded bullet points clearly explaining the technologies. Easily review exam topics to solidify your understanding and get a final refresher when test day is approaching.  

Why Learn from Me

In this course, you won’t just gain the book smarts to pass the exam. You’ll also hone your hands-on skills to succeed as a network engineer in the real world. I’m a professional instructor who has been entrusted by Cisco since 2007 to develop and deliver training courses for their own engineers and partners. I’ve also designed multiple training courses for the largest service providers in the Asia Pacific region such as IBM, Verizon, and the Australian National Broadband Network. I’ve spent years distilling my decade’s worth of networking experience from the field into mentoring and supporting other systems engineers, and I’m passionate about passing my knowledge of Cisco networks onto others.

As a student in this course, you’ll get lifetime access to the course materials and answers to every question you ask in the Q&A board. I love interacting with my students: anything you want to know, please ask. The course also comes with an unconditional risk-free 30 day money-back guarantee–that's my personal promise of your success.


If you take a comparable course at a training centre it will cost you thousands of dollars, and when it’s over you can’t experience the tutorials again or ask the instructor any more questions. When you take my course you can learn anytime you want in the comfort of your own home, and I’m always here for you whenever you need any help.

Not sure about the best way to pay for this course? Ask your manager at work if they’ll expense it. They won’t have to pay the large fees of traditional classroom learning or have to cover your absence for a week. They get huge value from this investment in your future.

When you’re done with the course, you’ll have everything you need to crush the Cisco CCNA exam. I’m excited to share all of my knowledge with you.

Join me on this journey to turbocharging your career!

Who is the target audience?
  • Anyone who wants to pass the Cisco CCNA Routing and Switching 200-125 exam and start or improve a career in networking.
  • IT helpdesk engineers who are interested in careers such as network engineers, network administrators, systems administrators, or solution architects. This course can help start your career journey into these fields.
  • Network engineers who are not Cisco CCNA certified or who have an expired certification. Even if you’re an experienced professional, you’ll fill gaps in your knowledge and master concepts like IPv6, EIGRP, OSPF, and BGP in this course.
  • IT professionals who want a comprehensive resource on Cisco networking theory, configuration and troubleshooting.
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Curriculum For This Course
247 Lectures
6 Lectures 26:06

The Udemy Interface

Why Passing the CCNA is Going to Turbo Charge Your Career

How to Set Up the Lab
3 Lectures 27:50

GNS3 Installation and Configuration

Cisco Packet Tracer Installation and Configuration
Host to Host Communications
6 Lectures 29:46

A (Very) Basic Introduction to Networking

The OSI Reference Model Overview

The TCP/IP Stack

The Upper OSI Layers

The Lower OSI Layers
The Cisco IOS Operating System
7 Lectures 46:59

Cisco Operating Systems

Making the Initial Connection to a Cisco Device

Navigating the Cisco IOS Operating System Part 1

Navigating the Cisco IOS Operating System Part 2

Cisco IOS Configuration Management

The IOS Operating System - Lab Exercises
OSI Layer 4 - The Transport Layer
2 Lectures 13:11

The Transport Layer Header, TCP and UDP
OSI Layer 3 - The Network Layer
8 Lectures 50:09

The IP Header

Unicast, Broadcast and Multicast Traffic

How to Count in Binary

IPv4 Addresses

Calculating an IPv4 Address in Binary

The Subnet Mask

Slash Notation
IP Address Classes
4 Lectures 24:58

Class A IP Addresses

IP Address Classes B and C

IP Address Classes D and E
12 Lectures 01:36:08

CIDR Classless Inter-Domain Routing

Subnetting Overview

Subnetting Class C Networks and VLSM

Subnetting Practice Questions

Variable Length Subnet Masking Example Part 1

Variable Length Subnet Masking Example Part 2

Subnetting Large Networks Part 1

Subnetting Large Networks Part 2

Private IP Addresses Part 1

Private IP Addresses Part 2

Where to Get More Subnetting Practice
OSI Layer 2 - The Data-Link Layer
2 Lectures 11:06

Local Area Network Layer 2 - Ethernet
OSI Layer 1 - The Physical Layer
2 Lectures 10:29

Ethernet Connection Media
22 More Sections
About the Instructor
Neil Anderson
4.7 Average rating
2,597 Reviews
33,513 Students
6 Courses
Building your Cloud and Data Center career

Hi, I'm Neil Anderson, and my mission is to build the best Cloud and Data Center systems engineers possible.

For the last 9 years my main focus has been delivery of technical training and development of course content for large enterprise and service provider customers such as NetApp, Cisco, Verizon and IBM. I train the engineers who design and implement the largest Cloud and Data Center deployments throughout the Asia Pacific region and the rest of the world.

I also provide consultancy support and mentoring for the services division systems engineers in the company I work for.

Prior to focusing on training I worked in the field for over 10 years in a variety of systems and network engineering roles.

I've always embraced change and I've worked in contract roles for dozens of companies, big and small, and enjoyed soaking up knowledge across all areas of information technology. I'm lucky this has given me a broad perspective across server, network and storage technologies.

As well as explaining the hands-on details of each technology I teach, a key part of my role is explaining the big picture of how all the technologies fit together in real world deployments, and the best practice way to implement them.

My mission is building engineers, my passion is helping people succeed. I love to hear back from students who I've helped move on to the next level in their career. It gives me huge satisfaction to know I've played a part in them achieving their goals.

If you have any questions about Cloud, NetApp, Cisco or VMware technologies, ping me a message and I'd love to help you out. 

NetApp Storage
Cisco CCIE Collaboration #17108
Cloud Computing
Cisco Data Center
VMware Virtualization
CISSP Security
PRINCE2 and ITIL Certified