单选题An administrator wants to test the performance of an application at different memory sizes. What is the most effective way to perform the test and collect statistical information for each test？（）ARun DLPAR to change the LPAR memory for each test.BRun rmss command to simulate different memory for each test.CRun chdev command to limit the system memory size for each test.DRun chattr command to limit the system memory size for each test.
单选题
An administrator wants to test the performance of an application at different memory sizes. What is the most effective way to perform the test and collect statistical information for each test？（）
A
Run DLPAR to change the LPAR memory for each test.
B
Run rmss command to simulate different memory for each test.
C
Run chdev command to limit the system memory size for each test.
D
Run chattr command to limit the system memory size for each test.
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