When is historical data of resource usage important? (Select THREE correct answers.)

• A.Selecting a computer vendor.
• B.Diagnosing capacity problems.
• C.Identifying processes killed during out of memory occurrences.
• D.Troubleshooting a software problem.
• E.Predicting when resources will need to be increased.

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CORRECT TEXT
After a lot of write operations, the administrator want to ensure that the kernel flushes the file system buffers to disk. Which command will accomplish this? (Specify ONLY the command without any path or parameters.)

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What is the correct parameter to pass to the kernel at boot time to force it to use only one of the available processors?

• A.maxcpus=1
• B.usecpus=1
• C.vcpumx=1
• D.smpcpus=1

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After changing the default runlevel in the SysV-init configuration file, the system boots in a different than intended runlevel. Where else could this different runlevel be defined?

• A.In the /etc/rc.d/rc.local file
• B.In the boot loader configuration file
• C.In the /etc/sysctl.conf
• D.In the /boot/initramfs file
• E.In the /etc/runlevel file

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CORRECT TEXT
Which file tells GRUB the paths of the filesystem partitions in both Linux format and in the GRUB syntax? (Specify the file name only with no path information)

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