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Lpi LPIC-3 Exam 306: High Availability and Storage Clusters Sample Questions:

1. Which command is used to manage Ceph clusters?

A) ceph-admin
B) ceph-deploy
C) ceph-manager
D) ceph-control

2. What is the purpose of an LVM snapshot?

A) To increase the size of a logical volume dynamically.
B) To create a backup copy of a logical volume.
C) To allocate a portion of a physical volume for future use.
D) To capture the current state of a logical volume for later reference.

3. Which one of the following options represents a valid declaration of a backend server with HAProxy?

A) pool server_x 10.1.0.1:80
B) backend server_x 10.1.0.1:80
C) server server_x 10.1.0.1:80 check
D) host server_x 10.1.0.1:80 cookie server_x

4. How can the state of the backing storage disks of a DRBD device be checked? (Choose TWO correct answers.)

A) cat /proc/drdb
B) drbdadm dstate all
C) drbdadm diskstatus all
D) drbdadm state --disk all
E) cat /proc/drdb/status

5. How can you scale up a Ceph cluster?

A) By adding additional MGR instances for better cluster management.
B) By increasing the number of OSDs to expand storage capacity.
C) By adjusting the CRUSH map to include more placement groups.
D) By configuring additional MDS instances for improved file system performance.

Solutions: