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NEW QUESTION # 116
How can you configure high availability aspects of Ceph?
- A. By enabling redundancy and failover mechanisms for OSDs.
- B. By adjusting the CRUSH map to include multiple MON nodes.
- C. By configuring MDS instances with mirroring and synchronization.
- D. By configuring replication and erasure coding for storage pools.
Answer: B
NEW QUESTION # 117
Which of the following statements is true regarding the quorum in a two node Pacemaker cluster?
- A. The default quorum policy in a two node cluster must be set to ignore in order to configure a working cluster.
- B. In a two node cluster the quorum is always held by the node that first started the cluster software.
- C. In a two node cluster, quorum can be determined and handled just as in a cluster with a higher number of nodes.
- D. Clusters with one or two nodes cannot have a quorum and require no quorum configuration.
Answer: A
NEW QUESTION # 118
What is the purpose of ACLs (Access Control Lists) in the context of Load Balanced Clusters?
- A. Implementing access control rules
- B. Load balancing algorithm selection
- C. IP address failover
- D. Backend server configuration
Answer: A
NEW QUESTION # 119
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
Answer: A,B
NEW QUESTION # 120
What does S.M.A.R.T stand for in the context of hardware monitoring?
- A. Storage Monitoring and Assessment Tool
- B. Self-Monitoring, Analysis, and Reporting Technology
- C. Service Monitoring and Alerting Toolkit
- D. System Management and Recovery Technology
Answer: B
NEW QUESTION # 121
What is the role of the "Secondary" node in a DRBD setup?
- A. It is the node that acts as a backup for the "Primary" node.
- B. It is the node that handles split brain situations.
- C. It is the node that stores the replicated data.
- D. It is the node responsible for initiating replication.
Answer: A
NEW QUESTION # 122
Which of the following commands can be used to safely test and preview Pacemaker configuration changes? (Choose TWO correct answers.)
- A. crm_lab
- B. crm_shadow
- C. crm_test
- D. crm_simulate
- E. crm_dryrun
Answer: B,D
NEW QUESTION # 123
What is the task of the Cluster Logical Volume Manager, CLVM?
- A. It balances incoming TCP connections to a logical service to several backend nodes.
- B. It makes logical volumes on shared storage available to all cluster nodes.
- C. It allows several nodes to share file system locks in order to access the same files simultaneously.
- D. It segments the cluster nodes into several logical groups that are always fenced together.
Answer: B
NEW QUESTION # 124
In a cluster with shared-nothing architecture, how is data shared between nodes?
- A. Data is distributed across multiple disks
- B. Each node has its own copy of data
- C. Nodes share a common disk
- D. Data is replicated across all nodes
Answer: B
NEW QUESTION # 125
Which of the following best describes the architecture of DRBD (Distributed Replicated Block Device)?
- A. A network storage protocol
- B. A distributed file system
- C. A file-based replication system
- D. A block-level replication system
Answer: D
NEW QUESTION # 126
How can you replace a failed brick in a GlusterFS cluster?
- A. By detaching the failed brick and attaching a new one.
- B. By adding a new peer to the cluster.
- C. By creating a new volume and migrating data from the failed brick.
- D. By reconfiguring the trusted storage pools.
Answer: A
NEW QUESTION # 127
Which command is used to mount an OCFS2 file system?
- A. fsck.ocfs2
- B. mount.ocfs2
- C. tunefs.ocfs2
- D. mkfs.ocfs2
Answer: B
NEW QUESTION # 128
What is a partitionable RAID?
- A. A RAID level that supports resizing of the array partitions.
- B. A RAID level that combines multiple arrays into a single container.
- C. A RAID configuration that allows multiple partitions on each disk.
- D. A RAID setup that uses partition tables for data distribution.
Answer: C
NEW QUESTION # 129
How can you change the RAID level of an existing device?
- A. By running the lvm command with the --change-level option.
- B. Using the mdadm command with the --change-level option.
- C. By modifying the /proc/sys/dev/raid/ file.
- D. By reformatting the RAID device with the desired level.
Answer: B
NEW QUESTION # 130
How can you resize an LVM volume?
- A. By modifying the /etc/lvm/lvm.conf configuration file.
- B. By using the lvresize command with the appropriate options.
- C. By running the vgresize command on the volume group.
- D. LVM volumes cannot be resized once created.
Answer: B
NEW QUESTION # 131
Which of the following are tools or services that manage a Linux Virtual Server (LVS) setup? (Choose TWO correct answers.)
- A. lvproxy
- B. vserverd
- C. keepalived
- D. roundrobind
- E. ldirectord
Answer: C,E
NEW QUESTION # 132
Which factor is important to consider when designing an appropriate cluster architecture?
- A. Maximizing complexity
- B. Achieving high performance
- C. Minimizing redundancy
- D. Ignoring failover mechanisms
Answer: B
NEW QUESTION # 133
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
Answer: A
NEW QUESTION # 134
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The LPIC-3 Exam 306 is a vendor-neutral certification exam that is recognized globally. It is an essential certification for IT professionals who want to demonstrate their expertise in implementing and managing high availability and storage clusters using Linux. LPIC-3 Exam 306: High Availability and Storage Clusters certification can help professionals advance their career and increase their earning potential.
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