Lpi 306-300 Practice Exams
Last updated on Oct 21,2026- Exam Code: 306-300
- Exam Name: LPIC-3: High Availability and Storage Clusters - Exam 306, version 3.0
- Certification Provider: Lpi
- Latest update: Oct 21,2026
Which command-line utility is used to obtain information about the status of the Pacemaker cluster?
- A . pcs
- B . crm
- C . crm_mon
- D . crm_verify
What is the purpose of the Cluster Configuration System (CCS)?
- A . It manages the cluster configuration information file.
- B . It fences a dropped node.
- C . It manages ACLs for cluster service access.
- D . It manages the network topology and settings for the cluster.
Which one of the following options represents a valid declaration of a backend server with HAProxy?
- A . host server_x 10.1.0.1:80 cookie server_x
- B . backend server_x 10.1.0.1:80
- C . server server_x 10.1.0.1:80 check
- D . pool server_x 10.1.0.1:80
In DRBD, what is the role of the "Primary" node?
- A . It is the node responsible for initiating replication.
- B . It is the node that stores the replicated data.
- C . It is the node that handles split brain situations.
- D . It is the node that provides read and write access to the replicated data.
In keepalived, what is configured by the configuration option sorry_server?
- A . The addresses of backend servers that were overloaded in the past and should be scheduled with a reduced priority.
- B . The hostnames of the servers that, despite the remaining configuration, should always be scheduled by the Serial Operation Round Robin algorithm.
- C . The addresses of backend servers that should not get assigned any new connections.
- D . The default virtual host that is assigned to incoming HTTP requests missing a Host: header before forwarding them to a backend server.
- E . The address of a server to which requests are redirected in case no real server is available.
In a Pacemaker cluster, which one of the following commands shows the right syntax for fencing the node on port 3 using the APC rack PDU device which can be found at IP address 192.168.1.145?
- A . apc_stonith -a 192.168.1.145 -l apc -n 3 -v -o shutdown -r now
- B . fence_apc -a 192.168.1.145 -l apc -p apc -n 3 -v -o shutdown -r now
- C . fence_apc -a 192.168.1.145 -l apc -p apc -n 3 -v -o reboot
- D . apc_stonith -a 192.168.1.145 -l apc -p apc -n 3 -v -o reboot
What is the purpose of restoring and verifying the integrity of a Ceph cluster after an outage?
- A . To repair data corruption in storage pools.
- B . To ensure that all OSDs are functioning properly.
- C . To synchronize the metadata between MDS instances.
- D . To rebalance the data across OSDs.
In Pacemaker, which component is responsible for obtaining node information and managing node health?
- A . DC
- B . STONITHd
- C . CRMd
- D . LRMd
Which command is used to edit and display the running Linux Virtual Server (LVS) configuration?
(Specify ONLY the command without any path or parameters.)
Solution: ipvsadm
Determine whether the given solution is correct?
- A . Correct
- B . Incorrect
How can you remove a physical volume from an LVM setup?
- A . By using the vgremove command on the volume group.
- B . By using the pvremove command on the physical volume.
- C . By using the lvremove command on the logical volume.
- D . Physical volumes cannot be removed from an LVM setup.