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.

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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

单项选择题

All of the following are attributes that can be specified when creating a logical volume EXCEPT:（）

A.Number of logical partitions
B.Disk where logical volume will reside
C.Size of the logical volume control block
D.Position of the logical volume on the disk