单项选择题 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?（）

单项选择题 The system hangs at boot time after starting NFS services.What is the most likely cause?（）

单项选择题 An administrator wants to host several LPARs on a JS23 Blade server. To achieve this, what additional management software is required?（）