Updated Mar-2026 Test Engine to Practice 306-300 Dumps & Practice Exam
Dumps Collection 306-300 Test Engine Dumps Training With 202 Questions
Lpi 306-300 (LPIC-3 Exam 306: High Availability and Storage Clusters) Exam is designed for IT professionals who want to demonstrate their expertise in the field of high availability and storage clusters. 306-300 exam is part of the LPIC-3 certification program, which is a professional-level certification for Linux experts. Passing 306-300 exam demonstrates that a candidate has the skills and knowledge needed to design, implement, and manage high availability and storage solutions using Linux technologies.
NEW QUESTION # 33
What is the purpose of CRUSH maps in Ceph?
- A. To distribute data across OSDs based on predefined rules.
- B. To monitor the health and availability of OSDs.
- C. To encrypt data at rest in Ceph storage pools.
- D. To manage access control for CephFS volumes.
Answer: A
NEW QUESTION # 34
Which command-line utility is used to obtain information about the status of the Pacemaker cluster?
- A. crm
- B. crm_mon
- C. pcs
- D. crm_verify
Answer: B
NEW QUESTION # 35
Which of the following Messaging Layers are supported by Pacemaker? (Choose TWO correct answers.)
- A. Slurm
- B. SCMP
- C. OpenAIS
- D. Heartbeat
- E. DRBD
Answer: C,D
NEW QUESTION # 36
Which command-line utility is used to manage the fencing devices in a Pacemaker cluster?
- A. stonith
- B. stonith_admin
- C. sbd
- D. pcs
Answer: A
NEW QUESTION # 37
Which components of Ceph are responsible for managing storage devices in the cluster?
- A. MON and MDS
- B. OSD and MON
- C. MGR and MON
- D. OSD and MGR
Answer: D
NEW QUESTION # 38
What is the purpose of RSTP (Rapid Spanning Tree Protocol) in switch configuration for high availability?
- A. To provide load balancing across multiple network interfaces.
- B. To manage VLANs and network segmentation.
- C. RSTP is not related to switch configuration.
- D. To ensure redundancy and quick recovery in case of network failures.
Answer: D
NEW QUESTION # 39
What is the purpose of initializing a Ceph cluster?
- A. To configure high availability settings.
- B. To create the initial CRUSH map.
- C. To generate cryptographic keys for secure communication.
- D. To assign storage devices to OSDs.
Answer: C
NEW QUESTION # 40
When running a Linux Virtual Server (LVS) cluster, what is the purpose of a nanny process?
- A. Each nanny process checks the state of one configured service on one real server, and tells LVS if the service on that real server is malfunctioning.
- B. The nanny process restarts the daemon of a failed service on a real server node.
- C. The nanny process powers off a nonfunctional backend server.
- D. The nanny process changes the IP routing table in the Linux kernel according to the LVS configuration.
Answer: A
NEW QUESTION # 41
Which load balancing algorithm selects backend servers based on the source IP address of incoming requests?
- A. NAT (Network Address Translation)
- B. Tunneling
- C. Direct Routing
- D. Source IP Hash
Answer: D
NEW QUESTION # 42
Which command is used to manage Ceph clusters?
- A. ceph-control
- B. ceph-manager
- C. ceph-admin
- D. ceph-deploy
Answer: D
NEW QUESTION # 43
Which utility is used to perform testing and diagnostics on an APC UPS?
- A. apctest
- B. nvme-cli
- C. monit
- D. smartctl
Answer: A
NEW QUESTION # 44
Which O2CB mode should be used for OCFS2 integration with heartbeat?
- A. kernel
- B. dlm
- C. user
- D. heartbeat
Answer: C
NEW QUESTION # 45
Which of the following statements are true regarding the determination of the capacity of a high availability cluster? (Choose TWO correct answers.)
- A. Failover clusters can be used to scale a single service beyond the capacity of a single cluster node.
- B. In case of the failure of any component, enough resources must remain to provide all cluster services.
- C. The number of nodes in a cluster has no effect on the availability as long as the sum of the available computing resources is equal.
- D. The overall capacity of all components in the cluster doesn't have to be larger than the resources needed in a regular setup.
- E. In regular cluster operation, not all resources are used.
Answer: B,E
NEW QUESTION # 46
Which of the following statements are true regarding the Red Hat Enterprise Linux High Availability Add-On? (Choose TWO correct answers.)
- A. It does not include any storage components.
- B. It is built on top of several high availability components that are also available in other Linux distributions.
- C. It offers support for load balanced clusters only and cannot manage failover clusters.
- D. It can be managed using the regular Pacemaker commands like pcs.
- E. It uses its own messaging subsystem, RHMQ, for cluster communication.
Answer: B,D
NEW QUESTION # 47
What is the purpose of managing clustered LVM?
- A. To manage logical volumes on clustered storage
- B. To store and retrieve data from remote block storage devices
- C. To provide network connectivity for servers
- D. To manage file systems on distributed storage
Answer: A
NEW QUESTION # 48
How can you configure high availability aspects of Ceph?
- A. By configuring replication and erasure coding for storage pools.
- B. By adjusting the CRUSH map to include multiple MON nodes.
- C. By configuring MDS instances with mirroring and synchronization.
- D. By enabling redundancy and failover mechanisms for OSDs.
Answer: B
NEW QUESTION # 49
What does S.M.A.R.T stand for in the context of hardware monitoring?
- A. System Management and Recovery Technology
- B. Service Monitoring and Alerting Toolkit
- C. Storage Monitoring and Assessment Tool
- D. Self-Monitoring, Analysis, and Reporting Technology
Answer: D
NEW QUESTION # 50
Which command-line utility is used to manage the Pacemaker cluster configuration database?
- A. crm
- B. cibadmin
- C. crm_mon
- D. pcs
Answer: B
NEW QUESTION # 51
What does the term "split brain" refer to in the context of high availability clusters?
- A. Nodes competing for resources after a failure
- B. Network partition causing communication issues
- C. Failure of the entire cluster
- D. Data inconsistency due to replication delays
Answer: B
NEW QUESTION # 52
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The LPIC-3 certification program is intended for experienced Linux professionals who want to demonstrate their advanced knowledge and skills in different areas of Linux administration. Passing the LPIC-3 306-300 exam validates the candidate's expertise in designing, implementing, and managing high availability systems and storage clusters that run on Linux. LPIC-3 Exam 306: High Availability and Storage Clusters certification is highly sought after by employers because it demonstrates that the candidate has the skills and knowledge to take on complex Linux administration projects.
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