CWNA-106 Exam Dumps : Certified Wireless Network Administrator

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?

What word describes the bending of an RF signal as it passes through a medium of a varying density from that of free space?

The IEEE 802.11-2012 standard requires VHT capable devices to be backward compatible with devices using which other 802.11 physical layer specifications (PHYs)? (Choose 2)