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（）

单项选择题Whichofthefollowingcommandswouldasystemadministratorusetoinitiatearescanofthe etc inittabfile（）

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

单项选择题An AIX server will not boot in normal mode and the server must be booted into maintenance  mode to rebuild the boot logical volume. A NIM master is not defined in this environment.  How is the system booted into maintenance mode to perform this task （）

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.

单项选择题A System p administrator in a manufacturing customer plans to migrate an AIX 5.2 system to a new LPAR on an existing System p using VIOS.  Which of the following must be completed prior to this migration （）

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

单项选择题After completing an installation of new software， a system administrator notices the system is slow.  To troubleshoot the performance， which single AIX command could be used to provide a real-time display of CPU， memory and disk utilization（）

A.topas
B.vmo
C.iostat
D.netstat

单项选择题A System p administrator is attempting to restore some files from a backup tape. The restore failed. The system administrator suspects the block size of the tape drive is incorrect.  Which of the following commands can be used to determine the block size of the backup tape （）

A.dd
B.tar
C.cpio
D.restore