What is required by wireless clients that participate in Cisco centralized key management for intracontroller roaming?
- IEEE 802.11r support
- maintaining a list of keys used with prior AP associations
- Cisco Compatible Extensions (CCX) support
- caching a portion of the key of the authentication server
Explanation: Cisco Centralized Key Management (CCKM): One controller maintains a database of clients and keys on behalf of its APs and provides them to other controllers and their APs as needed during client roams. CCKM requires Cisco Compatible Extensions (CCX) support from clients.
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