单项选择题

Which files can be used together to allow remote command execution on a server?（）

A./etc/.rhosts and $HOME/hosts.equiv
B./etc/hosts.equiv and $HOME/.rhosts
C./etc/rhosts.equiv and $HOST/.rhosts
D./etc/hosts.equiv and $HOME/.hosts.equiv

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单项选择题

Which command will purge the errorlog of all recorded occurrences of a given SRN?（）

A.errclear 0
B.errpt -r -j <SRN>
C.errclear -j <SRN>
D.errclear -k <SRN>

单项选择题

A SAN needs to undergo disruptive maintenance, which will effect a hosted production system with multiple applications and related volume groups, one of which, datavg, resides on the SAN. There is one spare disk in the system but it is smaller than datavg.
How can application outages and risk of corruption be minimized?（）

A.Stop the applications in all data volume groups and shut the system down during the outage period.
B.Stop the applications in datavg, unmount all datavg filesystems, varyoff datavg, and export datavg.
C.Stop the applications in datavg, unmount all datavg filesystems, and reduce datavg by the SAN disks.
D.Use the 'cpvg' command with the -z option to copy and compress datavg to different physical volumes.

单项选择题

What is the objective of the superstrict option that can be used when creating mirrors?（）

A.Allows the mirror partitions to spread across a maximum number of disks.
B.Allows the copy of a partition to be on the same physical volume as the mirrored partition.
C.Prevents partitions allocated to one logical volume mirror from sharing a physical volume with partitions from another logical volume mirror.
D.Forces copies of logical partitions to be housed on different physical volumes, while allowing a single physical volume to be shared by logical volume mirrors.