An Aruba Mobility Master (MM)-based solution has a WLAN that uses WPA2-Enterprise security. A test login on a wireless client fails.

How can a network administrator determine whether the RADIUS server rejected the credentials or another issue occurred?

A. View Technical Support information for the MM.

B. Ping the IP address configured as the RADIUS server.

C. Use the MM AAA Server Test Diagnostic tool.

D. Use the tools in the MM Dashboard > Security window.