收到缴费凭证时，如何操作（）.

A.判断车型

B.按"缴费凭证"键

C.输入缴费凭证票号

D.按缴费凭证上的站号输入入口站点代码

Virtualization is an approach to IT that pools and shares（）so that utilization is optimized and supplies automatically meet demand. Traditional IT environments are often silos, where both technology and human（）are aligned around an application or business function. With a virtualized（）, people, processes, and technology are focused on meeting service levels，（）is allocated dynamically, resources are optimized, and the entire infrastructure is simplified and flexible. We offer a broad spectrum of virtualization（）that allows customers to choose the most appropriate path and optimization focus for their IT infrastructure resources.

（）is allocated dynamically, resources are optimized, and the entire infrastructure is simplified and flexible.

A．content

B．position

C．power

D．capacity