August 2003
Intermediate to advanced
224 pages
5h 32m
English
book
How Secure Is Your Wireless Network? Safeguarding Your Wi-Fi LAN
by CCNA Lee Barken - CISSP MCP CPA
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Antenna Types
A variety of antenna types are available. Your choice will be driven by the needs of your particular application. Because antennae are working with a fixed amount of power generated by the system, antennae reshape their energy pattern in a specific direction. For example, a busy coffee shop requires a signal in all directions (but not directly above or below the AP); point-to-point applications require highly directional antennae that focus all of the energy in one particular path.
To put it another way, you can think of antennae as sources of light. When faced with the choice of using a flashlight or a fluorescent bulb, you must understand if the application involves lighting up a hiking trail at night or a department store aisle. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.