List of questions
Question 7 - CWAP-404 discussion
ABC International has installed a new smart ZigBee controlled lighting system. However, the network team is concerned that this new system will interfere with the existing WLAN and has asked you to investigate the impact of the two systems operating simultaneously in the 2.4 GHz band. When performing Spectrum Analysis, which question could you answer by looking at the FFT plot?
A.
Do the ZigBee channels used by the lighting system overlap with the WLAN channels?
B.
Is the ZigBee system using more than 50% of the available airtime?
C.
Is the WLAN corrupting ZigBee system messages?
D.
Is the ZigBee system causing an increase in WLAN retries?
Your answer:
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