Lpi 306-300 LPIC-3: High Availability and Storage Clusters – Exam 306, version 3.0 Online Training
Lpi 306-300 Online Training
The questions for 306-300 were last updated at Dec 19,2024.
- Exam Code: 306-300
- Exam Name: LPIC-3: High Availability and Storage Clusters - Exam 306, version 3.0
- Certification Provider: Lpi
- Latest update: Dec 19,2024
Which of the following statements describes fencing resources in a high availability cluster?
- A . Fencing is the automated stop and restart of cluster services that suffer from software errors.
- B . Fencing is the disconnection of a failed cluster node from any other cluster resources.
- C . Fencing is the forwarding of incoming network connections to backend servers.
- D . Fencing is the assignment of services to different cluster nodes to avoid interference of the services.
- E . Fencing is the accounting and limitation of disk usage on shared storage.
True or False: Define constraints on which services may run on the same cluster node is the purpose of fencing in a high availability cluster.
- A . True
- B . False
Which utility is used to manage the low-level configuration and settings of DRBD devices?
- A . drbdadm
- B . drbdmon
- C . drbdsetup
- D . drbdmeta
How can you check the status and configuration of network bonding interfaces using the nmcli command?
- A . nmcli show bonding
- B . nmcli bond show
- C . nmcli interface bonding
- D . nmcli bonding status
How can you create and manage Rados Block Devices (RBDs) in Ceph?
- A . By using the ceph-deploy command-line tool.
- B . By configuring OSDs with the desired storage devices.
- C . By interacting with the rados command-line tool.
- D . By adjusting the CRUSH map to include RBD pools.
What does the term "split brain" refer to in the context of high availability clusters?
- A . Nodes competing for resources after a failure
- B . Data inconsistency due to replication delays
- C . Failure of the entire cluster
- D . Network partition causing communication issues
In the command: pcs constraint order VHost1IPv4 ____ HTTPD which missing word is required in order to ensure that the service HTTPD is always started after the service VHost1IPv4?
Solution: then -or- THEN
Determine whether the given solution is correct?
- A . Correct
- B . Incorrect
Which parameter of vgchange controls whether a volume group is shared within a shared storage cluster? (Specify ONLY the option name without any values or parameters.)
Solution: -c -or- c -or- clustered -or- –clustered
Determine whether the given solution is correct?
- A . Correct
- B . Incorrect
Which one of the following should NOT be used as a lowlevel device for DRBD?
- A . A LVM logical volume
- B . A physical hard disk
- C . A EVMS volume
- D . A loop device
Which of the following situations can result in a split brain situation in a high availability cluster?
- A . The load balancer of a load balanced cluster fails.
- B . The communication between the cluster nodes is interrupted.
- C . Cluster services are moved between cluster nodes.
- D . More than one node is active in a load balanced cluster.
- E . A cluster node has successfully been fenced.
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