RHCE Storage and File Systems 3

Question 1

What is the default physical extent size when creating an LVM volume group?

Accepted Answer

4 MB

Answer

1 MB

Answer

8 MB

Answer

16 MB

Question 2

Which command mounts all file systems listed in `/etc/fstab` that are not currently mounted?

Accepted Answer

mount -a

Answer

mount --all

Answer

mountall

Answer

systemctl mount

Question 3

What does the `vgdisplay` command show?

Accepted Answer

Volume group attributes and free space

Answer

Disk partition table

Answer

Logical volume properties

Answer

Physical volume UUID

Question 4

Which `/etc/fstab` field specifies the order in which file systems are checked at boot?

Accepted Answer

6th field (fsck order)

Answer

3rd field (mount options)

Answer

4th field (dump)

Answer

5th field (dump)

Question 5

What command removes a logical volume named `lv_data` in volume group `vg0`?

Accepted Answer

lvremove /dev/vg0/lv_data

Answer

vgremove /dev/vg0/lv_data

Answer

lvdelete /dev/vg0/lv_data

Answer

pvremove /dev/vg0/lv_data

Question 6

Which command verifies and repairs an unmounted ext4 file system on `/dev/sdb1`?

Accepted Answer

e2fsck -p /dev/sdb1

Answer

xfs_repair /dev/sdb1

Answer

fsck -y /dev/sdb1

Answer

tune2fs /dev/sdb1