A system administrator ran the iostat command because of system performance problems. The following iostat output is provided： Based on the output， which of the following is insufficient？（） CPU。 Memory。 Paging space。 Disk capacityX。
个体意识发展的高级阶段是（）。 他人意识。 言语意识。 主观意识。 自我意识。
复合气瓶：瓶体由（）材料制成的气瓶 一种。 两种。 三种。 两种或两种以上。
桑代克在迁移研究中的最大贡献是（） 发现了迁移的心理机制。 最早进行迁移实验研究。 否定了普遍迁移的说法。 用实验事实否定了形式训练说。
A system administrator has backed up the datavg volume group using the savevg command. There are several raw logical volumes and some unmounted jfs filesystems in datavg. Which of the following statements is true about this backup?（） The volume group and all logical volumes will be recreated. All raw and jfs filesystms will be backed up and restored.。 This backup will be bootable and the volume group and all jfs logical volumes will be recreated.。 This backup will not be bootable and the restorevg command is used to restore only the mounted and non-raw logical volumes. It will not recreate any logical volumes that are raw or unmounted.。 The volume group and all logical volumes information is archived and will be recreated. The raw and unmounted filesystems will not be backed up and therefore not restored.。
Which of the following commands would a system administrator use to automate monitoring and notification of filling filesystems （）
