Lpi 306-300 : LPIC-3 Exam 306: High Availability and Storage Clusters

306-300 real exams

Exam Code: 306-300

Exam Name: LPIC-3 Exam 306: High Availability and Storage Clusters

Updated: Aug 20, 2026

Q & A: 202 Questions and Answers

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Lpi 306-300 Exam Syllabus Topics:

SectionObjectives
High Availability Distributed Storage- Ceph
  • 1. RADOS components
  • 2. CRUSH maps
  • 3. Ceph architecture
- Gluster
  • 1. Replication and fault tolerance
  • 2. GlusterFS deployment
High Availability Cluster Storage- Storage Replication
  • 1. Data synchronization and failover
  • 2. DRBD configuration and management
- Cluster File Systems
  • 1. OCFS2
  • 2. GFS2
- Shared Storage Technologies
  • 1. Multipath I/O
  • 2. SAN storage integration
  • 3. Clustered LVM
High Availability Cluster Management- High Availability Concepts and Theory
  • 1. High Availability and Site Reliability Engineering
  • 2. Disaster recovery and redundancy concepts
  • 3. Cluster architectures and recovery mechanisms
- Cluster Resource Management
  • 1. Pacemaker cluster management
  • 2. Resource allocation and failover
  • 3. Fencing and quorum management
- Load Balanced Clusters
  • 1. LVS and IPVS concepts
  • 2. ldirectord configuration
  • 3. VRRP fundamentals
  • 4. HAProxy deployment and management
  • 5. keepalived configuration
Single Node High Availability- System Availability
  • 1. UPS integration
  • 2. Watchdog services
  • 3. Service supervision
- Hardware Monitoring
  • 1. RAID monitoring and recovery
  • 2. SMART monitoring

Lpi LPIC-3 Exam 306: High Availability and Storage Clusters Sample Questions:

1. What is the purpose of a Storage Area Network (SAN)?

A) To connect multiple servers together in a cluster
B) To store and retrieve data from remote block storage devices
C) To manage file systems on distributed storage
D) To provide network connectivity for servers


2. Which component of GlusterFS is responsible for managing the individual storage nodes in a cluster?

A) Bricks
B) Volumes
C) Peers
D) Trusted storage pools


3. What is the purpose of the sysfs file /sys/class/net/bond*/bonding/slaves in network bonding?

A) It lists the network interfaces that are part of a bonded interface.
B) The file /sys/class/net/bond*/bonding/slaves does not exist.
C) It displays the bonded network interfaces.
D) It configures the bonding options for network interfaces.


4. In case one service in a Pacemaker cluster depends on another service running on the same node, which score should be assigned to the constraint describing that dependency?

A) -1
B) 0
C) 1
D) FORCE
E) INFINITY


5. In DRBD, what is the role of the "Primary" node?

A) It is the node that handles split brain situations.
B) It is the node that provides read and write access to the replicated data.
C) It is the node responsible for initiating replication.
D) It is the node that stores the replicated data.


Solutions:

Question # 1
Answer: B		Question # 2
Answer: C		Question # 3
Answer: A		Question # 4
Answer: E		Question # 5
Answer: B

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