During Company.com planning session， the LVM requirements for HACMP are provided. The administrator explains that there are five volume groups in the current production environment because filesystems constantly change due to the nature of the business. Maintenance outages are limited to one Saturday per month. There is some concern about the amount of time that will be required for outages once HACMP is installed. With HACMP，what will be the simplest methods of managing LVM changes while minimizing required downtime.（） [" Make changes and allows Lazy Update to sync the changes later."," Use the Cluster Single Point Of Control to manage LVM changes."," Use exportvg on the primary node and improtvg on the second node."," Set up a local NFS cross-mount， and use the local filesystem until the outage."]
自有产权气瓶档案保存至气瓶（）。 ["报废为止","2年","5年","一直保存"]
下列何病显示血浆高铁血红素白蛋白试验阴性（） ["蚕豆病","自身免疫性溶血性贫血","上感","PNH"]
艾宾浩斯的遗忘曲线是根据（）实验结果得出的。 ["系列学习","配对联想学习","自由回忆学习","S—R学习"]
AutoCAD软件中，绘制“线段”命令的快捷键为（）键。 ["L","C","M","E"]
简述风力发电机组的安全保护系统
