The Complete Guide To Cisco CCNA 200-125

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This course is designed for those interested to learn about Cisco networking and be guided for the Cisco CCNA exam.

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About This CourseBeginner

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.

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

What are the requirements?

  • 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 start with beginner level networking and explain every single acronym and concept you need to pass the exam.

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.

Our Promise to You

By the end of this course, you will have learned about Cisco networking to the CCNA level.

30 Day Money Back Guarantee. If you are unsatisfied for any reason, simply contact us and we’ll give you a full refund. No questions asked.

Get started today and learn more about Cisco networking.

Course Curriculum

Course Sections


The Study Plan

Why Passing The CCNA Is Going To Turbo Charge Your Career

Cisco Certifications


GNS3 Installation And Configuration

Cisco Packet Tracer Installation And Configuration

GNS3 And Packet Tracer Installation Notes And FAQ


A Very Basic Introduction To Networking

The OSI Reference Model Overview

The TCP/IP Stack

The Upper OSI Layers

The Lower OSI Layers


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


The Transport Layer Header, TCP And UDP


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


Class A IP Addresses

IP Address Classes B And C

IP Address Classes D And E


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

Additional Subnetting Practice Sites


Local Area Network Layer 2 – Ethernet


Ethernet Connection Media


Switches Vs Hubs

Switch Operation


Other Cisco Devices

Cisco Device Functions: Lab Exercises


DNS: The Domain Name System

DNS On Cisco Routers

ARP Address Resolution Protocol

ARP For Routed Traffic

Life Of A Packet Example Part 1: DNS

Life Of A Packet Example Part 2: HTTP

The Life Of A Packet: Lab Exercises


The Cisco Troubleshooting Methodology

Cisco Troubleshooting Methodology: Lab Example

The Cisco Troubleshooting Methodology: Lab Exercises


Basic Router And Switch Configuration

The Setup Wizard

Speed And Duplex Settings


Basic Layer 1 And 2 Troubleshooting

Basic Layer 1 And 2 Troubleshooting: Lab Demo

Cisco Router And Switch Basics: Lab Exercises


The Boot Up Process

The Boot Up Process Lab Demo

Factory Reset And Password Recovery

Password Recovery Lab Demo

Backing Up The System Image And Configuration

Upgrading IOS


Cisco Device Management: Lab Exercises


Connected And Local Routes

Connected And Local Routes Lab Demo

Static Routes

Static Routes Lab Demo

Summarization And Default Routes

Summary Routes And Longest Prefix Match Lab Demo

Default Routes And Load Balancing Lab Demo

Routing Fundamentals: Lab Exercises


Dynamic Routing Protocols Vs Static Routes

Dynamic Routing Protocols Lab Demo

Routing Protocol Types

Routing Protocol Types Lab Demo

Routing Protocol Metrics

Routing Protocol Metrics Lab Demo

Equal Cost Multi Path

Equal Cost Multi Path Lab Demo

Administrative Distance

Administrative Distance Lab Demo

Loopback Interfaces

Adjacencies And Passive Interfaces

Adjacencies And Passive Interfaces Lab Demo

Dynamic Routing Protocols: Lab Exercises


Basic Connectivity Troubleshooting


Connectivity Troubleshooting: Lab Exercises


RIP: The Routing Information Protocol

RIP Advanced Topics

RIP Lab Demo

RIP Configuration: Lab Exercises


EIGRP Characteristics And Configuration

EIGRP Verification And Lab Demo

EIGRP Advanced Topics

EIGRP Advanced Topics Lab Demo

EIGRP Successors And Feasible Successors

EIGRP Metric

EIGRP Metric And Successors Lab Demo

EIGRP Configuration: Lab Exercises


OSPF Characteristics

OSPF Basic Configuration

OSPF Basic Configuration Lab Demo

OSPF Advanced Topics

OSPF Advanced Topics Lab Demo

OSPF Cost Metric

OSPF Cost Metric Lab Demo

OSPF Areas

OSPF Areas Lab Demo

OSPF Configuration: Lab Exercises


Campus LAN Design – Core, Distribution And Access Layers

Why We Have VLANs

VLAN Access Ports

VLAN Access Ports Lab Demo

VLAN Trunk Ports

VLAN Trunk Ports Lab Demo

DTP Dynamic Trunking Protocol

VTP VLAN Trunking Protocol

VTP Lab Demo

VLAN Configuration: Lab Exercises


Router with Separate Interfaces

Router On A Stick

Layer 3 Switch

Layer 3 Switch Lab Demo

VLAN and Inter-VLAN Routing Configuration: Lab Exercises


DHCP: Dynamic Host Configuration Protocol

Cisco DHCP Server

External DHCP Server

Cisco DHCP Client

DHCP Configuration: Lab Exercises


Network Redundancy

FHRP: First Hop Redundancy Protocols

HSRP: Hot Standby Router Protocol

HSRP Advanced Topics

HSRP Configuration: Lab Exercises


Layer 3 Path Selection And Loop Prevention Review

Why We Have The Spanning Tree Protocol

Spanning Tree Terminology: The Bridge

How Spanning Tree Works

Spanning Tree Versions

Verification – Show Spanning-Tree

Verification – Show Mac Address-Table

Manipulating The Root Bridge Election

Spanning Tree And HSRP Alignment

Portfast And BPDU Guard

STP Troubleshooting: Lab Exercises

STP Configuration: Lab Exercises


Why We Have EtherChannel

EtherChannel Load Balancing

EtherChannel Protocols And Configuration

EtherChannel Lab Demo

StackWise, VSS and vPC

EtherChannel Configuration: Lab Exercises


DHCP Snooping

DAI: Dynamic ARP Inspection

802.1X Identity Based Networking

Preventing Unauthorised Devices With Port Security

Preventing Unauthorised Devices With Port Security Lab Demo

Locking Ports To Hosts With Port Security

Locking Ports To Hosts With Port Security Lab Demo

Port Security Configuration: Lab Exercises


Access Control Lists Overview

Standard, Extended And Named ACLs

ACL Syntax

ACL Operations

Numbered ACLs Lab Demo

Named ACLs Lab Demo

Packet Filters Vs Stateful Firewalls

Access Control Lists Configuration: Lab Exercise


IPv4 Address Exhaustion And NAT

Static NAT

NAT Translations – Inside Local, Inside Global, Outside Local, Outside Global

Static NAT Lab Demo

Dynamic NAT

Dynamic NAT Lab Demo

PAT Port Address Translation

PAT Port Address Translation Lab Demo

Network Address Translation Configuration: Lab Exercise


Why We Need IPv6

The IPv6 Address Format

IPv6 Global Unicast Addresses

IPv6 Global Unicast Addresses Lab Demo

EUI-64 Addresses

Unique Local And Link Local Addresses

Link Local Addresses Lab Demo

SLAAC Stateless Address AutoConfiguration

IPv6 Access Control Lists

IPv6 Addressing: Lab Exercise


IPv6 Static Routes

IPv6 Static Routes Lab Demo


OSPFv3 Verification

OSPFv3 Lab Demo


EIGRP For IPv6 Verification

EIGRP For IPv6 Lab Demo

IPv6 Routing Configuration: Lab Exercise


WAN Overview

VPN: Virtual Private Networks

WAN Connectivity Options

Leased Lines


HDLC And PPP Lab Demo

PAP Authentication

CHAP Authentication

MLP: MultiLink PPP

MLP Lab Demo

MPLS: Multi Protocol Label Switching

PPPoE: Point To Point Protocol Over Ethernet

PPPoE Lab Demo

GRE: Generic Routing Encapsulation

GRE Lab Demo

WAN Topology Options

WAN Configuration: Lab Exercise


Why We Need BGP

BGP For Service Providers

Configuring BGP Neighbors

Advertising Routes In BGP

BGP For Service Providers Lab Demo

BGP For Enterprises

BGP In MPLS Networks

BGP For Enterprises Lab Demo

BGP Configuration: Lab Exercise


Line Level Security

Privileged Exec And Password Encryption

Line Level Security Lab Demo

Usernames And Privilege Levels

SSH: Secure Shell

SSH Secure Shell Lab Demo

AAA: Authentication, Authorization And Accounting

AAA Configuration

Global Security Best Practices

Global Security Best Practices Lab Demo

Cisco Device Security Configuration: Lab Exercises



Terminal Monitor And Logging Synchronous

Syslog Lab Demo

SNMP: Simple Network Management Protocol

SNMP Lab Demo

Syslog Vs SNMP

SPAN: Switched Port Analyser

Network Device Management: Lab Exercises


QoS Overview

Classification And Marking

Congestion Management

Policing And Shaping


Traditional IT Deployment Models

Defining Cloud Computing

Cloud Computing Case Study

Server Virtualization

Virtualizing Network Devices

Cloud Service Models

Cloud Deployment Models

Cloud Computing Advantages


SDN: Software Defined Networking

The Cisco APIC-EM


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About The Instructor


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