单项选择题

Users complain an AIX server is running slow. Which of the following commands can be run to determine what is consuming systems resources？（）

A. tprof
B. lpstat
C. ps aux
D. entstat

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单项选择题

Which of the following commands should be run to rebuild a corrupted jfslog, loglv01?（）

A.fsck -p loglv01
B.fsck -y /dev/loglv01
C.logform /dev/loglv01
D./usr/sbin/logform loglv01

单项选择题

An administrator has received complaints from users that an application is not available while other applications run. This application resides on an NFS mounted filesystem.
Which of the following commands should be run as a reasonable first step to handle this problem（）

A.df
B.showmount
C.exportfs
D.refresh -g nfs

单项选择题

You want to enable automatic PGA memory management in your database. Which setting is required to achieve this？（）

A. Set MEMORY_TARGET to zero
B. Set the STATISTICS_LEVEL parameter to BASIC
C. Set the WORKAREA_SIZE_POLICY parameter to MANUAL
D. Set the PGA_AGGREGATE_TARGET parameter to nonzero value