多项选择题
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.
A. Cisco SLM series B. Cisco SD series C. Cisco SFE series D. Cisco SGE series