In case the file containing the Linux kernel is lost, what happens when the system is booting?

• A.The bootloader mounts the root filesystem read-only and launches /bin/sh directly in order to allow the administrator to reinstall the kernel.
• B.Without a kernel a system cannot boot and, depending on the bootloader, an error is displayed.
• C.The system starts normally since the bootloader copies the kernel to the master boot record of the hard disk.
• D.Instead of the kernel, the initramfs is loaded and instructed to mount the root filesystem and reinstall the kernel from the original package or from source.

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In the following output, what is the 5 minute load average for the system?
# uptime
12:10:05 up 18 days, 19:00, 2 users, load average: 0.47, 24.71, 35.31

• A.0.47
• B.There is no 5 minute interval. It is some value between 0.47 and 24.71.
• C.24.71
• D.There is no 5 minute interval. It is some value between 24.71 and 35.31.
• E.35.31

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What is a significant difference between host and zone keys generated by dnssec-keygen?

• A.Host keys must always be generated if DNSSEC is used; zone keys are optional
• B.There is no difference.
• C.Host keys files contain a public and private key.
• D.Zone keys must always be generated if DNSSEC is used; host keys are optional
• E.Zone key files contain a public and private key.

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Which directory contains system-specific systemd unit files? (Specify the full path to the directory.)

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CORRECT TEXT
What command will remove a physical volume from a volume group? (Specify ONLY the command without any path or parameters.)

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