A software update was installed using the Apply option, however the update is no longer required. Which of the following procedures should be performed to remove the update?（）

单项选择题Users are complaining of slow performance. The iostat command indicates hdiskxxx is extremely busy. There is no activity on any other hdisks in the same volume group. Which of the following is the best action to take?（）

A.Change intra policy to outer
B.Change intra policy to center
C.Change inter policy to maximum
D.Increase the physical partition size

单项选择题During an AIX installation, which of the following actions will occur once the Complete Overwrite option is selected?（）

A.All new disks in the system will be formatted
B.Only the contents of the root volume group destination disks will be destroyed
C.All file systems, including /(root), /tmp, /usr, and /var, but no usr data in the root volume group, will be destroyed
D.The contents of all disks on the system, even if they are not shown as the destination root volume group disks, will be destroyed

单项选择题All of the following statements accurately describe process for administering file systems EXCEPT:（）

A.A logical volume must exist prior to running the crfs command to create a file system
B.A file system must be unmounted before it can be removed
C.Defining a file system imposes a structure on a logical volume
D.Removing a file system using rmfs automatically removes the underling logical volume

单项选择题A system administrator has added a new graphics card to the system and rebooted. The system pauses with C31 in the three-digit displays. Which of the following causes could be the reason for the hang?（）

A.All filesets for CDE have not been loaded. Boot into maintenance mode and load them through SMIT.
B.There is a missing device driver, incorrect console configuration, or a serial device plugged into native S1 port.
C.The new graphics adapter card is marked defined, not available. Rum smit cfgmgr (Install/Configure Devices Added After IPL with the INPUT device /directory for software set to none). This will reconfigure all devices by walking the bus.
D.The LED C31 means that there is a corrupted /dev/hd5. Boot into maintenance mode, fsck /dev/hd5 and then issue the bosboot command.

单项选择题Which of the following attributes should be specified when creating a volume group?（）

A.stripe size
B.allocation policy
C.physical partition size
D.number of logical partitions