需求评估
Which of the following options are valid choices for cluster communication security？（） ["rsh and ssh","Standard and VPN","rhost and .shosts","Classic and Enhanced"]
国际社会对电子商务税收问题达成的共识不包括（） ["税收中性原则","便于征管原则","常设机构原则","简单透明原则"]
Moving data is one of the most common causes of planned downtime. For which of the followingpurposes might the data migration function of the SAN Volume Controller be used？（） ["when replacing an SVC node due to a failure","when migrating from a Windows OS to a Linux OS","when replacing older storage with newer storage","when performing a firmware upgrade on the SVC console"]
施工项目目标控制的措施有（）。 ["处罚措施","组织措施","技术措施","经济措施","合同措施"]
马克思、恩格斯关于城市的主要观点包括哪些？
