单选题After rebooting the machine, Companycom notices that the machine is not performing as well as before. The applications are running slower, and their CPU utilization has increased. How can the customer check to see if a CPU was deallocated?（）ARun the vmstat commandBRun the iostat commandCRun the lparstat commandDCheck the logs in the /var/adm/ras directory
单选题
After rebooting the machine, Companycom notices that the machine is not performing as well as before. The applications are running slower, and their CPU utilization has increased. How can the customer check to see if a CPU was deallocated?（）
A
Run the vmstat command
B
Run the iostat command
C
Run the lparstat command
D
Check the logs in the /var/adm/ras directory
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