Which two of these statements best describe the benefits of Cisco’s wireless IDS functionality？ （Choose two.） （）
- A AirDefense for wireless IDS is required by autonomous APs.
- B 2.40Hz CK management can monitor both 802.11 and non-802.11 CK interference.
- C APs only monitor the RF channels that are servicing the clients.
- D Cisco or CCX compatible client cards can extend the CK IDS service for autonomous APs.
- E Autonomous APs must be dedicated IDS sensors while lightweight APs can combine client traffic and RF monitoring.