单项选择题
A.allows cisco smart switches to be incorporated into the stack
B.allows multiple switches to be managed as A single device.
C.enables switches in multiple wring closets to provide failover for each other
D.eliminates the need to purchase smartnet on individual switches in the stack
单项选择题 If A small business customer required mobility to be delivered viA multiple access points, which wireless portfolio of solutions would be the best choice?（）
多项选择题 which three are current small business needs for technology investements?（）
单项选择题 Which content network component is primarily used to store and deliver content from the network edge?（）