A System p administrator is investigating a possible security breech and wants to review 
information about failed login attempts to the system. 
Which of the following commands will show this（）

A.telinit -q
B.init -r
C.initab -s
D.exec /etc/inittab

A.Apply power and when the SMS menus appear press 5 repeatedly to enter a maintenance boot automatically. The system will present a maintenance shell eventually.
B.Boot media such as CDROM or Tape is required to boot into maintenance mode. When inserted into the proper device the system automatically boots into maintenance mode when it can not boot into normal mode.
C.Apply power and the server automatically boots into maintenance mode where you can select your disk to rebuild the boot logical volume.
D.Boot media such as CDROM or Tape is required and an administrator must select the proper SMS menus to get into maintenance mode.

A.Upgrade system firmware to latest level
B.Upgrade to AIX 5.3
C.Upgrade HMC to version 6.1
D.Convert rootvg filesystems to JFS2