You are managing an Oracle Database 11g database. You want to ensure the recovery of the database to thepoint of failure. Which configuration will you do to accomplish the task（） ["Multiplex all database files.","Configure the Flash Recovery Area.","Configure the database instance for ARCHIVELOG mode.","Configure the FAST_START_MTTR_TARGET initialization parameter"]
Which of the following tools can be used to configure the IBM System Storage DS8000? （） [" IBM Systems Director"," Unisphere Management Suite"," IBM System Storage Productivity Center (SSPC)"," IBM Standalone Solutions Configuration Tool (SSCT)"]
某住宅工程，建筑面积65000m2，地上28层，地下两层。筏板基础，地上剪力墙结构。某施工总承包单位中标施工总承包，中标价2.56亿元人民币。质量目标：合格，施工单位成立了项目部，并于2010年12月15Et进场。
施工过程中发生了如下事件：
事件一：项目部进场后，对项目进行了总体施工部署，划分了施工流水段，对分包单位管理提出了明确要求。
事件二：2010年6月15日，该工程进入雨期施工，施工至地上四层。项目部采取了相应的雨期施工措施。事件一中，施工流水段的划分主要原则有哪些？
使阻抗继电器动作的最大测量阻抗称为继电器的（）。 ["测量阻抗","整定阻抗","线路阻抗"]
In your Oracle 10g database ， you have scheduled a job to update the optimizer statistics at 05：00 pm every Friday. The job has successfully completed. Which three pieces of information would you check to confirm that the statistics have been collected？（） ["average row size","last analyzed date","size of table in bytes","size of table in database blocks","number of free blocks in the free list","number of extents present in the table"]
简述发达国家对食品安全卫生控制的两个趋势。
