However, the network team is concerned that this new system will interface 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?

ABC International has installed a new smart ZigBee controlled lighting system.

However, the network team is concerned that this new system will interface 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 lightning system overlap with the WLAN channels?
B . Is the ZigBee system using more the 50% of the available airtime?
C . Is the ZigBee system causing an increase in WLAN retries?
D . Is the WLAN corrupting ZigBee system messages?

View Answer

Answer: C