现代社区管理应具有哪些特征？
A customer has ordered a rack， a p650， two p630s， and two p615s. During a conversation on installation planning， the pSeries technical specialist recognizes that the customer expects the rack to arrive as one unit. However， the specialist knows that the p650 will be racked， but the other systems will arrive separately. In fact， the other systems are CSU （Customer Set Up）. Why should the specialist immediately inform the customer that additional racking is the customer’s responsibility？（） ["Because additional systems would require more power receptacles","Because the customer may need to do additional facilities planning","Because the customer needs additional funding to cover the services","Because postponing the eventual discussion will likely lead to customer dissatisfactio"]
根据美国斯坦福大学整合设施工程中心（CIFE）对BIM项目的调研，使用建筑信息模型的优势，错误的有（）。 ["A.消除50%的预算外更改 ","B.造价估算耗费的时间缩短80% ","C.通过发现和解决冲突，将合同价格降至10% ","D.项目实现缩短7%"]
An existing cluster has an application node and database node. Changes in the application require both nodes to have access to the other’s data all of the time. Which facility managed by HACMP can be implemented with the least amount of impact？（） [" NFS"," AFS"," DFS"," GPFS"]
某评估机构采用收益法对一项长期股权投资进行评估，假定该投资每年纯收益为30万元且固定不变，资本化率为10%，则该项长期股权投资的评估值为（）。 ["200万元","280.5万元","300万元","350万元"]
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