多项选择题
A.it leverages low-speed interfaces
B.only one configuration is used for all blades
C.storage, computing and networking services are combined onto one blade
D.it is A pra-as-you-go incremental deployment
E.server replacement is as easy as replacing the physical blade
多项选择题 Cisco collaboration applications and services can be hosted in A number of ways, which three are valid hosting models?（）
单项选择题 A service provider wants to prevent the repeat of a denial of service (DoS) attack that recently disabled Internet access for several thousand customers. Which Cisco solution best matches this business need?（）
单项选择题 A global manufacturer of automobile parts wants to implement specialized voice applications to increase productivity and reduce the cost of overseas toll calls. Which Cisco solution best matches this business need?（）