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CCNA Routing and Switching 200-125 Certification Guide

You're reading from   CCNA Routing and Switching 200-125 Certification Guide The ultimate solution for passing the CCNA certification and boosting your networking career

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Product type Paperback
Published in Oct 2018
Publisher Packt
ISBN-13 9781787127883
Length 504 pages
Edition 1st Edition
Tools
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Author (1):
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Lazaro (Laz) Diaz Lazaro (Laz) Diaz
Author Profile Icon Lazaro (Laz) Diaz
Lazaro (Laz) Diaz
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Table of Contents (24) Chapters Close

Preface 1. Internetworking Models FREE CHAPTER 2. Ethernet Networking and Data Encapsulations 3. Introducing the TCP/IP 4. Subnetting in IPv4 5. Variable Length Subnet Mask and Route Summarization 6. The IOS User Interface 7. Managing the Cisco Internetwork 8. Managing Cisco Devices 9. The IP Routing Process 10. The IPv6 Protocol 11. Introduction to IPv6 Routing 12. Switching Services and Configurations 13. VLANs and Inter-VLAN Routing 14. Introduction to the EIGRP Routing Protocol 15. The World of Open Shortest Path First (OSPF) 16. Border Gateway Protocol 17. Access-Control List 18. Network Address Translation 19. Wide Area Networks 20. Advanced Networking Topics 21. Mock Test Questions
22. Assessments
23. Other Books You May Enjoy

Need of WAN

To be direct and give you a straightforward answer, yes. WANs are a crucial part of today's business. If you own a business, no matter what it is, you will at least have a web page or some sort of social media to advertise yourself. The days of using the newspaper really does not work anymore. TV and radio are good options, but those also exist online.

So, even the smallest of businesses must have something online, to advertise themselves so their business can grow; that is the ultimate reason we get into a business. If you want to stay current and competitive in today's business world, you must have a presence online and if you have multiple locations for your business and they are located in different locations, you need to have access to those branches through the internet to see what is going on.

With the growth of the internet and the fact that we can...

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