多项选择题
A. Delivering information about changes in health benefit enrollment to all personnel
B. Enabling online collaboration among research personnel
C. Enabling an interactive virtual classroom for sales personnel in remote locations
D. Delivering a strategic business update from the CEO to all personnel
单项选择题 If A small business customer required mobility to be delivered via multiple access points, whichwireless portfolio of solutions would be the best choice?（）
单项选择题 Which device is used in wireless networks to send transmissions to a target area?（）
单项选择题 If A customers needed to load-balance across multiple data center. which Cisco productwould the customer consider?（）