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CompTIA Network+ Certification Guide

You're reading from   CompTIA Network+ Certification Guide The ultimate guide to passing the N10-007 exam

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Product type Paperback
Published in Dec 2018
Publisher
ISBN-13 9781789340501
Length 422 pages
Edition 1st Edition
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Authors (2):
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Glen D. Singh Glen D. Singh
Author Profile Icon Glen D. Singh
Glen D. Singh
Rishi Latchmepersad Rishi Latchmepersad
Author Profile Icon Rishi Latchmepersad
Rishi Latchmepersad
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Toc

Table of Contents (17) Chapters Close

Preface 1. The OSI Reference Model and the TCP/IP Stack FREE CHAPTER 2. Network Ports, Protocols, and Topologies 3. Ethernet 4. Understanding IPv4 and IPv6 5. Routing and Switching Concepts 6. Wireless and Cloud Technologies 7. Network Components 8. Network Virtualization and WAN Technologies 9. Business Continuity and Disaster Recovery Concepts 10. Network Identity Management and Policies 11. Network Security Concepts 12. TCP/IP Security 13. Organizational Security 14. Troubleshooting a Network 15. Assessment 16. Other Books You May Enjoy

Cellular technologies

Original phones required a physical copper cable connecting each landline phone to the local telecommunication company. This made it difficult for anyone to be contacted if they were not at home. The creation of cellular phones and cellular towers made it possible for each person to have a mobile phone with a direct telephone number attached to it; this made for easier reachability and improved communication.

Cellular technology comprises the mobile device that is known as a cellular phone. Within each cellular phone, there's a tiny antenna that operates on certain cellular type frequencies, which are known as Global System for Mobile Communication (GSM), Time Division Multiple Access (TDMA), Code Division Multiple Access (CDMA), and Long Term Evolution (LTE). The cellular phone connects automatically to the closest cellular tower, which then connects...

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