Book Image

CCNA Routing and Switching 200-125 Certification Guide

By : Lazaro (Laz) Diaz
Book Image

CCNA Routing and Switching 200-125 Certification Guide

By: Lazaro (Laz) Diaz

Overview of this book

Cisco Certified Network Associate (CCNA) Routing and Switching is one of the most important qualifications for keeping your networking skills up to date. CCNA Routing and Switching 200-125 Certification Guide covers topics included in the latest CCNA exam, along with review and practice questions. This guide introduces you to the structure of IPv4 and IPv6 addresses and examines in detail the creation of IP networks and sub-networks and how to assign addresses in the network. You will then move on to understanding how to configure, verify, and troubleshoot layer 2 and layer 3 protocols. In addition to this, you will discover the functionality, configuration, and troubleshooting of DHCPv4. Combined with router and router simulation practice, this certification guide will help you cover everything you need to know in order to pass the CCNA Routing and Switching 200-125 exam. By the end of this book, you will explore security best practices, as well as get familiar with the protocols that a network administrator can use to monitor the network.
Table of Contents (24 chapters)
4
Subnetting in IPv4
21
Mock Test Questions
22
Assessments

Summary

This was an interesting and fun chapter, because you got to learn not only how to connect to the routers CLI, but you got all the commands you would need to configure the basics and you got a router up and running. You also learned some show commands that will help you look at different parts of the router for you to troubleshoot. We also learned about some tools such as ping and traceroute, so we can verify connectivity and see exactly where the problem could be.

With the commands you typed, even though you may have green lights going across, you still can't network across the entire topology. We have not done any type of routing, but we will soon. Make sure you have these basic or administrative commands down and that you really understand their purpose.

Next, we will be getting into managing the Cisco network, so we are going to get into more details about the...