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单选题
Performance monitoring of a poorly performing system indicates a high level of CPU usage. Which tool can be used to help identify which processes are using excessive CPU resources？（）
A
sar
B
topas
C
iostat
D
vmstat
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单选题A system administrator has a server that is performing poorly. The vmstat command identifies that high CPU usage is the problem. Which of the following commands can be used to identify the eight most active processes running on the server？（）A
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sar -u -p 8C
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单选题An AIX system administrator wants to reset the level at which the SIGDANGER signal is sent to processes so appropriate actions can be taken when paging space is running low. Which of the following commands is used to reset the level？（）A
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vmstat -s
考题
单选题While monitoring a system using vmstat， which of the following options most likely indicates that the system is CPU bound？（）A
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单选题In a system with high CPU utilization， which of the following will help the MOST to minimize the performance impact of parity overhead in RAID 5？（）A
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单选题A system is experiencing performance problems. After checking the CPU usage, the problem identified is that the system is "CPU Bound". Which of the following outcomes will determine if there is a possible CPU constraint?（）A
Low paging B
High paging C
Workload manager is not turned on D
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单选题When monitoring a system using vmstat with an interval， the metrics under page po represent which of the following phrases？（）A
The number pages over the limitB
The pages to paging space per secondC
The number of page operations per secondD
The number of processes waiting for page out
考题
单选题Performance monitoring of a poorly performing system indicates a high level of CPU usage. Which tool can be used to help identify which processes are using excessive CPU resources？（）A
sarB
topasC
iostatD
vmstat
考题
单选题Using the following information: Performance data from an existing system that a new system will replace; Performance estimates that anticipate future workloads; Micro-partitioning and logical partitioning implementations. Which of the following allows a technical sales representative to create a system design which can be imported into an HMC?（）A
IBM eConfigB
IBM Performance MonitorC
IBM Workload Estimator (WLE)D
IBM System Planning Tool (SPT)
考题
单选题Which of the following performance tools can be used to determine if a system is thrashing？（）A
svmon and tprofB
vmtune and schedtuneC
ps and schedtuneD
vmstat and topas
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