[单选]

A company has a 30 TB multi-vendor storage environment attached to System i and open systems. They are concerned about the time and effort caused by frequent migrations to new storage hardware for open systems data. In addition to consolidating their storage to a single platform， they would like to take advantage of advanced features such as Easy Tier and implement a three-site business continuity strategy. 
Which product provides the best long-term solution for this company（）

Due to slow response times， a customer purchased additional memory. After the memory was installed，response time was not improved.  They complained to the pSeries technical specialist. Which of the following questions should be asked of this customer？（） Who recommended the memory purchase？。 Have more users been added since the memory purchase？。 Why were additional CPUs not ordered at the same time as the memory？。 Did a performance analysis of peak periods show a memory bottleneck？。 在Excel“格式”工具栏中提供了几种对齐方式：（） jim ,a domino programmer, want to determine the number of working days in a year. Which one of the following formula should he use?（）  @days 。  @holidays 。  @wokdeddays 。  @businessday。 正弦交流电是随时间按照正弦函数规律变化的（）。 电阻。 电压。 电流。 电压和电流。 课外活动是中小学为实现学校教育目的，在（）以外对学生身心实施多种影响的（）活动。

A company has a 30 TB multi-vendor storage environment attached to System i and open systems. They are concerned about the time and effort caused by frequent migrations to new storage hardware for open systems data. In addition to consolidating their storage to a single platform， they would like to take advantage of advanced features such as Easy Tier and implement a three-site business continuity strategy. 
Which product provides the best long-term solution for this company（）