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Implementing and Administering Cisco Solutions: 200-301 CCNA Exam Guide

You're reading from   Implementing and Administering Cisco Solutions: 200-301 CCNA Exam Guide Begin a successful career in networking with CCNA 200-301 certification

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Product type Paperback
Published in Nov 2020
Publisher Packt
ISBN-13 9781800208094
Length 764 pages
Edition 1st Edition
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Author (1):
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Glen D. Singh Glen D. Singh
Author Profile Icon Glen D. Singh
Glen D. Singh
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Table of Contents (26) Chapters Close

Preface 1. Section 1: Network Fundamentals
2. Chapter 1: Introduction to Networking FREE CHAPTER 3. Chapter 2: Getting Started with Cisco IOS Devices 4. Chapter 3: IP Addressing and Subnetting 5. Chapter 4: Detecting Physical Issues, Wireless Architectures, and Virtualization 6. Section 2: Network Access
7. Chapter 5: Implementing VLANs, Layer 2 Discovery Protocols, and EtherChannels 8. Chapter 6: Understanding and Configuring Spanning-Tree 9. Section 3: IP Connectivity
10. Chapter 7: Interpreting Routing Components 11. Chapter 8: Understanding First Hop Redundancy, Static and Dynamic Routing 12. Section 4: IP Services
13. Chapter 9: Configuring Network Address Translation (NAT) 14. Chapter 10: Implementing Network Services and IP Operations 15. Section 5: Security Fundamentals
16. Chapter 11: Exploring Network Security 17. Chapter 12: Configuring Device Access Control and VPNs 18. Chapter 13: Implementing Access Control Lists 19. Chapter 14: Implementing Layer 2 and Wireless Security 20. Section 6: Automation and Programmability
21. Chapter 15: Network Automation and Programmability Techniques 22. Chapter 16: Mock Exam 1
23. Chapter 17: Mock Exam 2
24. Assessments 25. Other Books You May Enjoy

Characteristics of IPv4

Learning about computer networking is always a fascinating topic as it also introduces you to how computing devices interpret data and present information. Using a computer or smart device, we usually see a very well-polished graphical user interface (GUI). In Microsoft Windows, for example, there is Windows Explorer, which helps us navigate the various areas (locations) of a computer easily. When opening files, such as pictures, the photo viewer application presents us with a picture our minds can interpret. However, by default, computers and networking devices are unable to interpret the objects within a picture.

When data is written onto a hard disk drive (HDD), there's an actuator arm that contains a read/write head (pin), which is used to magnetize and de-magnetize areas on the platters to represent data. This means that what we see as a picture of a car on the computer screen is, to the device, a portion of the HDD being magnetized and de-magnetized...

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