Week 5 Comprehension

Question 1

Which devices will be checked by fsck during the boot time?

/dev/sda1 and /dev/sda2
/dev/sda2 and /dev/sda3
/dev/sda3 and /dev/sdb1
None of the above

Answer 1

/dev/sda1 and /dev/sda2

Question 2

Standard partition can be extended only if an unallocated partition exists after it in contiguous manner.

• True
• False

Answer 2

• True

Question 3

Which statements are true for LVM Logical Volume? (Select two)

• LV must be unmounted before it can be extended
• Multiple LVs can exist on a single VG
• Each LV maps to a PV
• Each LV can have a different filesystem

Answer 3

• Multiple LVs can exist on a single VG
• Each LV can have a different filesystem

Question 4

What is the most common cause for a disk failure?

• Bugs in the disk controller module
• Poor manufacturing process
• Improper shut down
• Not running defrag tool

Answer 4

• Improper shut down

Question 5

Which statements are true for LVM Volume Group? (Select two)

• A VG consists of one or more PVs
• PVs in a VG must be contiguous
• A VG can be extended
• A VG is formatted before its use

Answer 5

• A VG consists of one or more PVs
• A VG can be extended

Question 6

Which one is NOT a component of LVM?

• Physical Volume
• Group Volume
• Volume Group
• Logical Volume

Answer 6

• Group Volume

Question 7

You can mount/unmount a device even if a user process is using the mount point.

• True
• False

Answer 7

• False

Question 8

Find the match.
sdc1
sda1
sdc2
sdb2

1st primary partition on the 1st SATA SSD:

2nd primary partition on the 2nd SATA SSD:

1st primary partition on the 3rd SATA SSD:

2nd primary partition on the 3rd SATA SSD:

Answer 8

sdc1 =1st primary partition on the 3rd SATA SSD:

sda1 =1st primary partition on the 1st SATA SSD:

sdc2 =2nd primary partition on the 3rd SATA SSD:

sdb2 =2nd primary partition on the 2nd SATA SSD:

Question 9

Mounting associates a __________ file with a __________ point.

• binary, mount
• block, character
• mount, device
• device, mount

Answer 9

• device, mount

Question 10

Reorder the steps to install a new disk drive on a Linux workstation.

1. Install a device driver if not present
2. Mount the device
3. Create a partition
4. Install a filesystem
5. Attach a physical device
6. Create a mount point if it doesn’t exist

• 5, 6, 2, 4, 1, 3
• 5, 6, 4, 2, 3, 1
• 5, 1, 2, 6, 4, 3
• 5, 1, 3, 6, 2, 4

Answer 10

• 5, 1, 3, 6, 2, 4