If A small business customer required mobility to be delivered via multiple access points, which wireless portfolio of solutions would be the best choice?（）

A.Optical fiber
B.Access point
C.Omni-directional antenna
D.Directional antenna

A.ACE Global Site Selector
B.Site Balancer
C.ISR Wide Area Acceleration Server
D.Nexus Site Balancer
E.ASR Virtual Balanced Network

A.WEP
B.HTTP
C.SSID
D.EAP