CWNA Questions and Correct Answers the Latest Update
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Course
CWNA
Institution
CWNA
what word describes the bending of an RF signal as it passes through a
medium of a varying density from that of free space
Refraction
Q. What can cause an excessively high VSWR (voltage standing wave ratio)in a
WLAN RF transmission line?
An impedance mismatch in the RF cables and connector...
Q. What statements about the beamwidth of an RF antenna are true?
✓ * Horizontal and vertical beamwidth are calculated at the points in which the main
lobe decreases power by 3dB.
✓
✓ * Horizontal beamwidth is displayed (in degrees) on the antennas's Azimuth Chart.
Q. What HT technology requires MIMO support on both the transmitter and
receiver?
✓ Spatial multiplexing
Q. ABC Company has just purchased a 6 dBi patch antenna. After performing
some tests with the 6 dBi antenna, they have concluded that more antenna gain
is needed to cover their outdoor courtyard. When choosing an antenna with
higher gain, what other antenna characteristic will also
always change?
✓ Beamwidth
Q. AP-1 is a 3x3:2 AP. STA-3 is a 3x3:3 client. What is the maximum number of
spatial streams that can be used for a downlink HT-OFDM transmission from
AP-1 to STA-3?
✓ Two spatial streams, because the definition of the AP indicates that it is capable of
only two spatial streams.
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