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Ethernet Networking and Data Encapsulations

Before we start our journey into the exciting world of Ethernet technologies, we really need to understand how important Ethernet is in today's networking. We will be learning not only about collision domains and broadcast domains, but also about half duplex versus full duplex, cabling, and the Cisco three layer model. Understanding all these concepts and technologies will help you become a more efficient network engineer.

In this chapter, you will not only learn the concepts of Ethernet but also, through diagrams, you will get a visual picture of setting up a network and why you are using the equipment you use.

We will be covering the following topics in this chapter:

A brief overview of Ethernet networks
Cabling in Ethernet networks
The Cisco three-layer model

Key benefits

Build foundational Cisco networking skills and prepare yourself for next-generation network transformation

Take practice questions and mock tests to check how prepared you are for the CCNA exam

Gain a strong understanding of network communication with the help of practical examples

Description

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.

Who is this book for?

This book is for you if you are a network administrator, network technician, or anyone who wants to prepare for CCNA Routing and Switching certification. Basic understanding of networking will help you get the best out of this guide, although sufficient information is provided to those new in this field.

What you will learn

Gain an in-depth understanding of networking using routers and switches

Understand layer 2 technology and its various configurations and connections

Configure default, static, and dynamic routing

Design and implement subnetted IPv4 and IPv6 addressing schemes

Troubleshoot issues and keep your network secure

Study the importance of VLANs for security and optimizing the bandwidth

What do you get with Print?

Instant access to your digital eBook copy whilst your Print order is Shipped

Paperback book shipped to your preferred address

Download this book in EPUB and PDF formats

Access this title in our online reader with advanced features

DRM FREE - Read whenever, wherever and however you want

Frequently bought together

CCENT/CCNA: ICND1 100-105 Certification Guide

$32.99

CCNA Security 210-260 Certification Guide

$43.99

CCNA Routing and Switching 200-125 Certification Guide

$43.99

Total $ 120.97

brooksc.brooksc Jan 07, 2019

My first interaction with, Lazaro "LAZ" Diaz; when I was trying to learn sub-netting back in the day. When he explained sub-netting to me using his 'magic line' I was hooked on his training style and real-world approach to teaching CISCO. I am more of a hand's on type learner, grass-roots and not a big read-it and go-take-the-test kind of cat. For me the book is great, gives you the specific's and at a great price too (most of these CISCO books are way too formal, expensive and you feel like you got to be a certified CISCO guy already before you can actually learn anything from some of the books I have looked into). This book is "ON POINT” though. It’s definitely is a little more formal for LAZ than I am use too, but still has his unique perspective, training style and additives. Laz covers the CCENT/CCNA basics in the book, he gets into the specifics a bit more; but for me, I learn by doing the audio/visual hands on stuff. Still, I think the book does a good job of covering the ideology and methodology CISCO is trying to get across in their explanation of integrating their equipment and IOS as an industry leader in networking. Some of the things you will see on the CCENT and CCNA are glaringly obvious in this book which is awesome--good job here "LAZ!" As a legacy IT guy, working in IT the past 25 years; I like the way LAZ' breaks networking down, how he gives it to the reader and tries to provide a concise presentation to networking with CISCO’s spin--this will definitely help you pass the exam. I know a couple of guys out there who can read a book and go and take the exam--that ain't me. If you need a book that covers CCENT/CCNA well enough to read and go and take the exam, this is a great book; especially for the ease of read and price. There are a couple of publishing challenges with how certain things line up as have been mentioned in one review; however the book is tremendous OVERALL. Highly recommended!

Amazon Verified review

brandon moline Jan 04, 2019

This is an excellent book so far. I attended Laz CCNA bootcamp before, and it helped me pass my CCNA. I let my CCNA expired so I'm working retaking the test this time I will not let it expired. I'm going through this book, and it is an excellent book so far it is a well-organized way to study. This book definitely helps me to understand better and memorize critical points. I like that I can have it on my Kindle so I can read it on my computer to my phone. I would recommend this book, and anything Laz puts out he also has good videos you can get from him. This is a 5 star book

Rusty Nichols Mar 20, 2019

If you get tired of the "Look at figure 3.1 and compare to figure 3.2" statements in the CCENT books then this is a great replacement!

Amazon Customer Jun 05, 2019

This book takes complex topics and makes them more so. Whole concepts are shown without explanation.For example, in explaining IPv6 addresses an interface will show its "actual" IP address, then its "Link Local" address. There is no explanation of why both addresses were assigned, or how the link-=local got assigned, just that they both exist on the interface.There are statements such as "EIGRP for IPv6 is exactly the same as for v4 except for the configuration." Isn't "the configuration" what I am being tested on?Such issues plague the book.Frustratingly, the writer seems in love with his own words. He'll talk about "Laz time" (his name is Lazarus) or "did you see how clever I was using leading zeros?"Lastly are typos. I'm not talking about "their" vs. "their," I mean network diagrams listing Router 0, Router 1 and Router 2 and have him address Router 2. Is that the router labelled 2, the one called Router 1 (second position in the diagram)?I believe reading this thick, time-consuming, useless book has negatively impacted my chances of passing the test on the first try.

BookLooker Dec 31, 2018

I bought this book because L. Diaz has such a good rep online and it was the first 200-125 v3 book to come out. I'm appalled that this book even went to press. I gave it two stars because I'm only on Chapter 4, so I give it the benefit of doubt. Lets see; 1. All the diagrams or illustrations or figures in the book are printed in BW from color exhibits so you can barely read half of them and highlights don't show up. 2. None of the figures are numbered so sometimes you don't know which diagram he is talking about. 3.Topics are talked about left and right which have not been defined to that point. 4. He introduces data, segments, frames, packets but does not define their place on the OSI model till two or three chapters later but uses the terms as if you know what he is talking about. 5. on page 89 while discussing subnetting a he jumps to using the "no auto-summary" command while configuring a distance vector routing protocol.....bla bla bla.. and never fear we will be going over that later. So don't even mention it till it is relevant to the study. 7. Just before that he is subnetting class A 10.0.0.0/8 to get 20 subnets and low and behold the usable addresses are all in the 172.16.0.1 to 172.16.3.254 range. 8. Typos are quite frequent. 9. The link for test comes back with 404 not found. (edit I final got this to work but there are only 10 chapters covered and no updates in almost 60 days) 10. There does not appear to be any LAB work called out other than duplicating what he did in print on your device or simulator. 11. There is no way to correlate the cisco exam objectives to any particular page in his book other than by using the index to look up a topic. 12. The mock test questions...there are twenty! Yet he states he tries to cover the entire scope of the book. Well that's as far as I'm going on this and I'm only on page 140....

CCNA Routing and Switching 200-125 Certification Guide: The ultimate solution for passing the CCNA certification and boosting your networking career

What do you get with Print?

CCNA Routing and Switching 200-125 Certification Guide

Ethernet Networking and Data Encapsulations

A brief overview of Ethernet networks

Cabling in Ethernet networks

The Cisco three-layer model

Core layer

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