Câu 9: HPE6-A78: HPE Network Security Associate

You have deployed a new HPE Aruba Networking Mobility Controller (MC) and campus APs (CAPs). One of the WLANs enforces 802.1X authentication to HPE Aruba Networking ClearPass Policy Manager (CPPM). When you test connecting the client to the WLAN, the test fails. You check ClearPass Access Tracker and cannot find a record of the authentication attempt. You ping from the MC to CPPM, and the ping is successful. What is a good next step for troubleshooting?

1. A. Check connectivity between CPPM and a backend directory server.
2. B. Check CPPM Event Viewer. — đáp án hiện tại
3. C. Renew CPPM’s RADIUS/EAP certificate.
4. D. Reset the user credentials.