What is the SMB Partner Practice Builder？（）  

A. allows multiple access points to be connected wirelessly， without the need for a wired Ethernet network
B. replicates configuration parameters across access points in the cluster， while optimizing network performance
C. automatically configures wireless client devices via Wi-Fi Protected Setup
D. can get real-time traffic or bandwidth statistics from an access point within a cluster

A. Mobility Services Engine
B. WLAN controller
C. Cisco Wireless Control System
D. rugged/exterior access points
E. interior access points

A. They add needed overhead in smaller deployments.
B. They are essential for optimum and redundant forwarding.
C. They are used primarily in larger network designs，to support different networks and single entry and  exit points.
D. They are usually necessary in smaller deployments.