What is always required to establish a high quality 2.4 GHz RF link at a distance of 3 miles (5 kilometers)?

You are managing a wireless access point in autonomous mode using the Web based interface. You capture traffic during this management task and notice that you can see the HTML code of the Web pages used for access point management. What error in administration could be the cause of this security concern?

What answer correctly completes the following sentence?
____________ and physical carrier sense functions are used to determine if the wireless medium is busy.

In a long-distance RF link, what statement about Fade Margin is true?

As an RF wave propagates through space, the wave front experiences natural expansion that reduces its signal strength in an area. What term describes the rate at which this expansion happens?