O'Reilly logo

CWNA: Certified Wireless Network Administrator Official Study Guide: Exam PW0-105, 3rd Edition by David A. Westcott, David D. Coleman

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 2

Radio Frequency Fundamentals

In this chapter, you will learn about the following:

Definition of radio frequency signal

Radio frequency characteristics

Wavelength

Frequency

Amplitude

Phase

Radio frequency behaviors

Wave propagation

Absorption

Reflection

Scattering

Refraction

Diffraction

Loss (attenuation)

Free space path loss

Multipath

Gain (amplification)

In addition to understanding the OSI model and basic networking concepts, you must broaden your understanding of many other networking technologies in order to properly design, deploy, and administer an 802.11 wireless network. For instance, when administering an Ethernet network, you typically need a comprehension of TCP/IP, bridging, switching, and routing. The skills to manage an ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required