The Cisco Unified Wireless Network minimizes the TCO and maximizes woreless network uptime by optimizing which two deployment， management， and security features？（）

• A、 unified wireless and wired infrastructure for a single point of control for all WLAN traffic
• B、 simplified management of central or remotely located access points
• C、 extension features to wired network services， such as denial of service prevention and ACLs
• D、 threat defense with a robust wired IDS