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