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:
计算第110天的成本偏差CV值,并做CV值结论分析。
An administrator has a two-disk volume group (testvg) with one logical volume (testlv) which has just been mirrored across both disk drives. Which of the following commands can be used to turn off quorum() chvg -Qn testvg。 chlv -Qn testvg。 varyoffvg testvg; varyonvg -Qn testvg。 varyoffvg testvg; exportvg testvg; importvg -Qn testvg; varyonvg testvg。
Because of performance problems, space needs to be added to a paging space named paging01 on hdisk1. The physical partition size of hdisk1 is 4MB. Which command will increase the size of paging01 by 100MB?() swapon -a paging01 25。 mkps -a 25 paging01。 extendlv -a paging01 25。 chps -a 25 paging01。
Which of the following commands should an AIX system administrator invoke to check if the required device-dependent software is missing?() dbx。 cfgmgr。 telinit q。 lsdev -Cc adapter。
An administrator is installing a C compiler on a system. According to the compiler’s documentation, the AIX fileset bos.adt.libm must be installed prior to the installation of the compiler. Which of the following commands would verify installation of the prerequisite fileset() installp。 instfix。 Ippchk。 Isl。
A just announced two-port Ethernet card has been installed on a system and it is not recognized. On the HMC the slot shows empty. The device driver has been installed and cfgmgr runs normally.
What is the most appropriate action to solve this problem?()