Which file in /proc contains information on the status of local software RAID devices?

• A./proc/mdstat
• B./proc/raidstatus
• C./proc/raid/status
• D./proc/raidstat
• E./proc/mdstatus

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Why is the root file system mounted read-only during boot and remounted with write permission later on?

• A.To avoid other operating systems overwriting the Linux root partition.
• B.Because if problems with the root file system are detected during the boot, fsck can be run, without risk of damage.
• C.To avoid writing to the disk, unless the root password is known.
• D.Because the disk has its own write protection that cannot be changed by the operating system.
• E.Because this way crackers cannot collect information about root with boot sniffers.

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The swap usage on a system needs to be checked. Which TWO commands can be used to display a swap usage summary?

• A.swapconfig
• B.swapshow
• C.swapon -s
• D.cat /proc/swaps
• E.cat /etc/fstab

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What mount option must be used in /etc/fstab when mounting an iSCSI target?

• A.waitiscsi
• B.iscsi
• C._netdev
• D._santarget

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What tool can you use to print shared library dependencies?

• A.ldev
• B.libpath
• C.ldd
• D.libdep
• E.ldconfig

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