单选题A system administrator needs to configure dump devices for the system. Which command would be used to estimate the size required for a dump device？（）AlsdevBchdevCsysdumpdevDsysdumpstart
单选题
A system administrator needs to configure dump devices for the system. Which command would be used to estimate the size required for a dump device？（）
A
lsdev
B
chdev
C
sysdumpdev
D
sysdumpstart
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解析：
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