How can a JFS2 filesystem be added to a volume groupthat has insufficient space to host a log LV?（） ["Create the filesystem with an inline log.","Create the filesystem referring to the jfs2log in rootvg.","Create the filesystem and format the logical volume with 'logform'.","Create the filesystem's underlying logical volume with an inline log."]
保险商品供给弹性通常指的是保险商品供给的（）。 ["收入弹性","交叉弹性","单位弹性","费率弹性"]
Given: What is the result?（） ["B","B, followed by an Exception.","Compilation fails due to an error on line 9.","Compilation fails due to an error on line 14.","An Exception is thrown with no other output."]
A PL/SQL procedure queries only those columns of a redefined table that were unchanged by the online table redefinition. What happens to the PL/SQL procedure after the online table redefinition?（） [" It remains valid."," It becomes invalid for all options of online table redefinition but automatically gets revalidated the next time it is used."," It becomes invalid for all options of online table redefinition and is automatically recompiled during online redefinition of the table."," It becomes invalid only if the storage parameters have been modified and it automatically gets revalidated the next time it is used."]
In order to ensure best read performance， which of the following indicates how large an application’s read buffer size should be if the filesystem to be read is striped across N disks using LVM striping？（） [" N times the stripe unit size"," N times the VMM minfree parameter"," The same value as that of the VMM maxfree parameter"," The same value as that of the VMM maxrndwrt parameter"]
某水电站工程，经批准的施工进度计划网络图如下图所示
施工中发生了以下事件：
事件1：A工作因设计变更停工10d；
事件2：B工作因施工质量问题返工，延长工期7d；
事件3：E工作因建设单位供料延期，推迟3d施工；
事件4：在设备管道安装气焊作业时，火星溅落到正在施工的地下室设备用房聚氨酯防水涂膜层上，引起火灾。
在施工进展到第120天后，施工项目部对第110天前的部分工作进行了统计检查。
统计数据见下表：
施工现场焊、割作业的防火要求有哪些？
