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

Configuring IP routing in our network

We configured our routers with administrative commands and we are able to manage them if we are on the same subnet. We have connectivity within our subnet, and routers can talk with their directly connected neighbors. But the point to networking is to be able to talk to devices beyond our own LAN; businesses would not be able to function if they did not have connectivity across the world.

I have already given you a glimpse of how important routing is, as we used default routes and static routes to build the routing table. But now we are going to discuss the three types of routing in more detail, which are the following:

  • Static routing
  • Default routing
  • Dynamic routing

Don't think you only have to use one or the other; you can combine all three to make a very robust, redundant and dependable network.

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