Which statement about the Cisco WCS security index is true?

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Which statement about the Cisco WCS security index is true?

A. The security index will display red (high threat level) when the managed WLAN detects multiple rogues and attack signatures.
B. The security index is a weighted scale of WLAN security ranging from 0 least risk (secure) to 100 high risk (unsecure).
C. The security index uses device configuration parameters to assign a weighted value of network security.
D. The security index of the Cisco WCS managed network is the average of all controller and Cisco MSE scores.