A server was rebuilt using a full system backup but with a different disk setup. The kernel
won’t boot, complaining it cannot find the root filesystem. Which of the following commands
will fix this error by pointing the kernel image to the new root partition?

A.
mkbootdisk
B.
tune2fs
C.
rdev
D.
grub-install
E.
fdisk
Since 2012 there is no rdev command in a packet.
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This question belongs to 117-201 (if at all to any tests, see above).
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