Which of the following filesets needs to be installed in order to use topas at AIX Version 5.x？（） perfagent.tools。 bos.perf.tools。 bos.adt.samples。 perfmgr.local。
The administrator created an entry in the inittab for run level 2. The system was already booted in normal mode. Which will start the newly created entry?（） init 1。 /etc/rc。 telinit q。 /etc/rc.d/rc2.d。
伊克斯―多德森定律表明，较难课题最适宜动机强度（） 最强。 中等。 较弱。 没有一定强度。
科学技术是现代教育的（） 重要内容。 全部内容。 辅助内容。 核心内容。
During a system administrator attempt to boot a server in normal mode, the boot process displays LED 299 and Led 201 and then stops. The LED 201 indicates that a ROS init or checkstop was detected. Which of the following options is the most probable cause?（） A corrupted JFS log device。 A corrupted boot logical volume。 An incorrect rc.boot entry in /etc/inittab file。 A problem initializing paging space。
属于永久气体的是（）。
