Friday , 10 July 2020

CCNA Official Exam Certification Guide by Brandon James Carroll

CCNA Wireless Official Exam Certification Guide
Perhaps this is the first time you have ever delved into the world of wireless networking. Or maybe you have been in networking for some time and are now beginning to see the vast possibilities that come with wireless networking. Either way, this chapter can help you understand topics that are not only tested on the CCNA Wireless exam but provide a good foundation for the chapters to come. If you are comfortable with the available frequency bands, the modulation techniques used in wireless LANs, and some of the standards and regulatory bodies that exist for wireless networking, you may want to skip to Chapter 2, “Standards Bodies.” This chapter provides a brief history of wireless networks and explores the basics of radio technology, the modulation techniques used, and some of the issues seen in wireless LANs. You should do the “Do I Know This Already?” quiz first. If you score 80 percent or higher, you might want to skip to the section “Exam Preparation Tasks.” If you score below 80 percent, you should spend the time reviewing the entire chapter. Refer to Appendix A, “Answers to the ‘Do I Know This Already?’ Quizzes” to confirm your answers.

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