单项选择题

A.A logical volume must exist prior to running the crfs……

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

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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

单项选择题Which of the following statements is mot correct about mirroring?（）

A.Mirroring, with the write-verify option turned on, can be used to increase performance.
B.Mirroring is a better choice that disk-striping, for large sequential-access file system when one is looking for performance.
C.Mirroring, with a parallel-scheduling policy, may improve I/O read-operation performance.
D.Mirroring, with maximum inter-disk allocation policy, is used to enhance availability.

单项选择题New AIX systems arrive without a CDROM drive. All systems do not have the system hardware configuration. Which of the following options is the most appropriate way to install AIX on the systems?（）

A.Install CDROM drives or tape drives on the systems because that is the only way to install AIX.
B.Install one system. Take a mksysb from the first system and resotre the mksysb to the remaining systems.
C.Install one system. Mirror rootvg onto a disk from each of the remaining systems.
D.Setup and NIM master and resources.

单项选择题Which of the following is an optional NIM resource for a diskless client?（）

A.root
B.spot
C.home
D.paging