Virtualization is an approach to IT that pools and shares (71) so that utilization is optimized and supplies automatically meet demand. Traditional IT environments are often silos, where both technology and human (72) are aligned around an application or business function. With a virtualized (73), people, processes, and technology are focused on meeting service levels, (74) is allocated dynamically, resources are optimized, and the entire infrastructure is simplified and flexible. We offer a broad spectrum of virtualization (75) that allows customers to choose the most appropriate path and optimization focus for their IT infrastructure resources.

（75）处填（）。

A．solutions

B．networks

C．interfaces

D．connections

投资项目决策分析与评价的基本要求包括贯彻落实科学发展观，资料数据准确可靠和（）等。

A.以定性分析为主

B.以静态分析为主

C.风险分析与不确定性分析相结合

D.多方案比较与优化