单项选择题
A.Boot off diskette and change boot device to CD
B.Change the bootlist for normal mode and reboot
C.Reboot and press 5/F5 after keyboard is displayed on the screen
D.Press enter to open SP menus once OK is showing in the LEDs
单项选择题 Which of the following procedures is safest perform when updating licensed program products?（）
单项选择题 Which of the following statements best describes the relationship between a logical volume and a journaled file system (JFS)?（）
单项选择题 A system administrator receives a new server and has booted the system for the first time. The administrator has set up the terminals and users. The user start to log on. Root is logged in on the console. When additional users start to log in, an error is displayed stating that All available login sessions are in use. Which of the following steps should be followed to resolve this problem?（）