Secure Wifi - Watchguard Test UPDATED
ACTUAL Exam Questions and CORRECT
Answers
2.4 GHz wavelength - CORRECT ANSWER - longer wavelengths, better range
larger channel widths - CORRECT ANSWER - provide faster speed and throughput but
can create greater interference
5 GHz wavelength - CORRECT ANSWER - supports faster data rates at shorter distances,
suited for high density deployments because of greater number of channels that do not overlap
What channel widths do 2.4 GHz support? - CORRECT ANSWER - 20 and 40 MHz
What channel widths do 5 GHz support? - CORRECT ANSWER - 20, 40, 80, 160 MHz
omnidirectional antenna - CORRECT ANSWER - Can transmit and receive with 360-
degree coverage
directional antenna - CORRECT ANSWER - directs signals where the antenna oints
Beamforming - CORRECT ANSWER - technology that enables wireless devices with
omnidirectional antennas to detect location of other wireless devices and direct a stronger signal
in the direction of the devices
Antenna Gain - CORRECT ANSWER - The increase in signal strength by the
concentration of radio waves by means of directional propagation.