LCA Linux System Installation & Configuration 2

Question 1

Which file in /etc contains the default runlevel for a System V init-based Linux system?

Accepted Answer

/etc/inittab

Answer

The /etc/inittab file defines the default runlevel and controls the init process behavior on System V init systems.

Question 2

During a Kickstart-based RHEL installation, which directive specifies the disk partitioning scheme?

Accepted Answer

part

Answer

The 'part' (or 'partition') directive in a Kickstart file defines disk partitions, but 'part' is the standard short form used.

Question 3

What is the purpose of the /etc/fstab 'dump' field (5th column)?

Accepted Answer

Enables filesystem backup via dump utility

Answer

The 5th field in /etc/fstab is used by the dump utility to determine if the filesystem should be backed up (1=yes, 0=no).

Question 4

Which bootloader configuration file must be updated after adding a new kernel in a GRUB 2 system?

Accepted Answer

/boot/grub2/grub.cfg

Answer

On GRUB 2 systems, /boot/grub2/grub.cfg is the active config file, but it should be regenerated with grub2-mkconfig rather than edited directly.

Question 5

Which command verifies the integrity of an RPM package against its installed file list?

Accepted Answer

rpm -V packagename

Answer

The 'rpm -V' (verify) command checks installed package files against the RPM database for size, checksum, permissions, and other attributes.

(LCA) Certified Linux Administrator Practice Test