A. Disk size， stock availability， VHDCI
B. Disk size， distance， temperature， and compatibility
C. Disk fragmentation， MTBF， and maintenance
D. Disk configuration， throughput， transactions， queues， and latencies
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A. /usr/sbin/installp -C
B. /usr/sbin/inutoc -c
C. /usr/sbin/installp -c
D. /usr/sbin/lsresource -c
A. PDT attempts to identify performance problems automatically by collecting and integrating a wide range of performance， configuration and availability data.
B. PDT consists of three components， the collection component comprises a set of programs that periodically collect and record data， the retention component periodically reviews the collected data and discards data that is obsolete， and the reporting component periodically produces a diagnostic report from the current set of historical data.
C. PDT contains motif-based， AIX licensed programs that can easily access tools for system and network performance tuning， monitoring， and analysis.
D. PDT assesses the current state of a system and tracks changes in workload and performance. It attempts to identify incipient problems and suggest solutions before the problems become critical.
A. perfmgr
B. perfagent.server
C. perfagent.tools
D. perfagent.client
A. cd /var/spool/cron/crontabs，uncomment the lines in the adm file， in order to start gathering statistics.
B. cd /var/spool/cron/crontabs； uncomment the lines in the sys file， in order to start gathering statistics.
C. cd /usr/lib/cron/； vi the adm file； startsrc -s sadc
D. cd /usr/lib/cron/； vi the sys file； startsrc -s sadc
A. AIX Base CD
B. AIX BonusPak CD
C. AIX Performance Toolbox product CD
D. Performance AIDE product CD
最新試題
In AIX 5L and later， the operating system supports the /proc filesystem. What would be the best description of the /proc filesystem？（）
When setting up schedules and enforcing scheduling of different types of workloads， which of the following are critical performance issues？（）
A system administrator would like to set a system to reboot after a crash. What is the best way to do this？（）
A TCP/IP application is transferring files from a personal machine to a remote machine. The application writes 32 kilobytes of data at a time to the socket， but has not issued a system call to set the window size. Which of the following procedures should be performed on the personal machine to increase the throughput of the application？（）
Which tool is based on the AIX trace facility？（）
A system administrator increases the mbuf pool allocation， then runs vmstat. It is noticed that the paging rate has not decreased. What is the most effective option to maintain the mbuf pool and decrease paging？（）
Which of the following logical volume placement policies is likely to give the best performance in most cases， all other factors being equal？（）
Which of the following phrases is TRUE regarding monitoring disk I/O with iostat？（）
Which of the following tools should be used to display the location of unused physical partitions on a disk drive？（）
Which of the following performance tools will work with optimized code and also provides source statement profiling？（）