Latest [Jun 03, 2025] 306-300 Exam with Accurate LPIC-3 Exam 306: High Availability and Storage Clusters PDF Questions
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Lpi 306-300 (LPIC-3 Exam 306: High Availability and Storage Clusters) Certification Exam is a vendor-neutral certification exam, meaning that it is not tied to any specific vendor or product. IT professionals who pass this certification exam will have demonstrated their ability to work with a wide range of high availability and storage cluster technologies, making them valuable assets to any organization.
Lpi 306-300 Certification Exam is intended for IT professionals who have a solid understanding of Linux system administration, including file systems, network configuration, and security. LPIC-3 Exam 306: High Availability and Storage Clusters certification exam is ideal for system administrators, IT managers, and storage engineers who are responsible for maintaining high availability storage clusters in enterprise environments.
NEW QUESTION # 38
What is the purpose of VRRP (Virtual Router Redundancy Protocol) in a Load Balanced Cluster?
- A. ACL management
- B. Load balancing algorithm selection
- C. Backend server configuration
- D. IP address failover
Answer: D
NEW QUESTION # 39
What is the primary function of the DRBD kernel module?
- A. To monitor the health and status of DRBD devices
- B. To handle replication between DRBD devices
- C. To provide high availability and automatic failover capabilities
- D. To manage networking connections for DRBD
Answer: B
NEW QUESTION # 40
Which O2CB mode should be used for OCFS2 integration with heartbeat?
- A. kernel
- B. dlm
- C. user
- D. heartbeat
Answer: C
NEW QUESTION # 41
In GlusterFS, what is the purpose of recovering from a physical media failure?
- A. To restore data from backups.
- B. To repair corrupted data on the failed media.
- C. To rebuild the storage cluster configuration.
- D. To replace the failed physical media.
Answer: D
NEW QUESTION # 42
In the command: crm configure ____ http-after-ipv4 Mandatory: VHost1IPv4 HTTPD which missing word is required in order to ensure that the service HTTPD is always started after the service VHost1IP?
Solution: order -or- ORDER
Determine whether the given solution is correct?
- A. Correct
- B. Incorrect
Answer: A
NEW QUESTION # 43
Which Pacemaker feature allows multiple resources to be grouped and managed together?
- A. Clone resources
- B. Groups
- C. Multi-state resources
- D. Templates
Answer: B
NEW QUESTION # 44
Which of the following describes a split brain situation in a high availability cluster?
- A. Incoming network connections are accidentally forwarded to more than one backend server.
- B. Instead of shared storage, each node uses local storage managed by itself and replicates with other nodes.
- C. Several cluster nodes access a shared resource without coordination.
- D. Several cluster nodes run different instances of the same services.
- E. In addition to shared storage, each node has local storage that is not shared with other nodes.
Answer: C
NEW QUESTION # 45
Which utility is commonly used to manage and control DRBD devices?
- A. drbdmeta
- B. drbdadm
- C. drbdsetup
- D. drbdmon
Answer: B
NEW QUESTION # 46
What is the function of a Distributed Lock Manager (DLM) in cluster storage?
- A. To handle concurrent access to shared resources in a cluster
- B. To manage file systems on distributed storage
- C. To provide high-speed data transfer in SAN environments
- D. To configure multipathing for high availability in SAN environments
Answer: A
NEW QUESTION # 47
What is the purpose of configuring high availability aspects of GlusterFS?
- A. To prevent unauthorized access to storage volumes.
- B. To enable replication of data across multiple storage nodes.
- C. To ensure continuous availability of storage services.
- D. To optimize storage performance for specific workloads.
Answer: C
NEW QUESTION # 48
What is the purpose of configuring system shutdown at specific UPS events?
- A. To optimize system performance during high resource usage.
- B. To extend the lifespan of storage devices.
- C. To automatically restart the system after a hardware failure.
- D. To prevent data loss during power outages.
Answer: D
NEW QUESTION # 49
Which of the following Messaging Layers are supported by Pacemaker? (Choose TWO correct answers.)
- A. Slurm
- B. DRBD
- C. SCMP
- D. Heartbeat
- E. OpenAIS
Answer: D,E
NEW QUESTION # 50
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 accounting and limitation of disk usage on shared storage.
- C. Fencing is the disconnection of a failed cluster node from any other cluster resources.
- D. Fencing is the forwarding of incoming network connections to backend servers.
- E. Fencing is the assignment of services to different cluster nodes to avoid interference of the services.
Answer: C
NEW QUESTION # 51
Which of the following is not a Pacemaker component?
- A. pengine
- B. crmd
- C. cibadmin
- D. ccmd
Answer: D
NEW QUESTION # 52
How can you extend an LVM volume?
- A. By moving the logical volume to a different volume group.
- B. By resizing the underlying physical partition of the volume.
- C. By adding more extents to the logical volume within the volume group.
- D. By adding a new physical volume to the volume group.
Answer: C
NEW QUESTION # 53
Which command is used to mount an existing GlusterFS volume?
- A. glusterfs-mountvolume
- B. glusterfs
- C. glusterfs-mount
- D. glusterfs-mountpoint
Answer: B
NEW QUESTION # 54
In keepalived, what keyword starts the configuration section for one of the failover servers?
- A. vrrp_sync_group
- B. vrrp_instance
- C. lvs_server
- D. virtual_server
Answer: D
NEW QUESTION # 55
Which replication mode in DRBD provides three-way replication?
- A. Protocol A
- B. Synchronous replication
- C. Protocol B
- D. Protocol C
Answer: D
NEW QUESTION # 56
In a cluster with shared-nothing architecture, how is data shared between nodes?
- A. Nodes share a common disk
- B. Data is distributed across multiple disks
- C. Data is replicated across all nodes
- D. Each node has its own copy of data
Answer: D
NEW QUESTION # 57
Which component of GlusterFS is responsible for managing the individual storage nodes in a cluster?
- A. Trusted storage pools
- B. Bricks
- C. Peers
- D. Volumes
Answer: C
NEW QUESTION # 58
Which utility is used to perform testing and diagnostics on an APC UPS?
- A. nvme-cli
- B. monit
- C. apctest
- D. smartctl
Answer: C
NEW QUESTION # 59
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Lpi 306-300 (LPIC-3 Exam 306: High Availability and Storage Clusters) Certification Exam is designed to assess the skills and knowledge of IT professionals in the area of high availability and storage clusters. LPIC-3 Exam 306: High Availability and Storage Clusters certification is intended for individuals who have a deep understanding of system administration and are looking to expand their knowledge in clustering and high availability concepts. 306-300 exam covers topics such as clustering architectures, storage management, resource management, and system monitoring and analysis.
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