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CompTIA Network+ Certification Guide

You're reading from  CompTIA Network+ Certification Guide

Product type Book
Published in Dec 2018
Publisher
ISBN-13 9781789340501
Pages 422 pages
Edition 1st Edition
Languages
Authors (2):
Glen D. Singh Glen D. Singh
Profile icon Glen D. Singh
Rishi Latchmepersad Rishi Latchmepersad
Profile icon Rishi Latchmepersad
View More author details
Toc

Table of Contents (17) Chapters close

Preface 1. The OSI Reference Model and the TCP/IP Stack 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

802.11 wireless standards

In 1997, the IEEE introduced the 802.11 standard for Wireless Local Area Network (WLAN), which allowed any device with a Wireless Interface Card (WIC) to connect and communicate over an IEEE 802.11 network. Today, most consumers may not know what IEEE 802.11 is, but what they do know is the term—Wi-Fi.

Wi-Fi is another type of wireless technology that uses radio waves/frequencies to provide communication between devices. Wi-Fi is based on the IEEE 802.11 standards for wireless networking. Most portable devices such as laptops, smartphones, tablet computers, and even entertainment systems, such as gaming consoles, for example, the Sony PlayStation and Microsoft Xbox, each has a built-in Wi-Fi card or a WIC, which is used to communicate on an IEEE 802.11 network or what is better known as a Wi-Fi network.

Since 1997, there have been many updates...

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