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Lpi 306-300 Exam Syllabus Topics:
| Section | Objectives |
| Topic 1: Storage Clustering and Reliability | - Clustered file systems
- Data integrity and redundancy mechanisms
- Failover storage design
|
| Topic 2: High Availability Cluster Management | - Cluster architecture and concepts
- Resource agents and fencing (STONITH)
- Corosync and cluster communication
- Pacemaker configuration and management
|
| Topic 3: Network Storage Integration | - iSCSI target and initiator configuration
- NFS in high availability environments
- Multipath I/O configuration and management
|
| Topic 4: Cluster Storage and Replication | - Distributed storage and redundancy strategies
- DRBD configuration and replication
- Shared storage concepts
|
Lpi LPIC-3 Exam 306: High Availability and Storage Clusters Sample Questions:
1. Which software utility is commonly used to manage software RAID devices on Linux?
A) fdisk
B) fsck
C) lvm
D) mdadm
2. Which one of the following options represents a valid declaration of a backend server with HAProxy?
A) host server_x 10.1.0.1:80 cookie server_x
B) pool server_x 10.1.0.1:80
C) backend server_x 10.1.0.1:80
D) server server_x 10.1.0.1:80 check
3. What is the purpose of restoring and verifying the integrity of a Ceph cluster after an outage?
A) To repair data corruption in storage pools.
B) To synchronize the metadata between MDS instances.
C) To rebalance the data across OSDs.
D) To ensure that all OSDs are functioning properly.
4. In keepalived, what is configured by the configuration option sorry_server?
A) The hostnames of the servers that, despite the remaining configuration, should always be scheduled by the Serial Operation Round Robin algorithm.
B) The default virtual host that is assigned to incoming HTTP requests missing a Host: header before forwarding them to a backend server.
C) The address of a server to which requests are redirected in case no real server is available.
D) The addresses of backend servers that were overloaded in the past and should be scheduled with a reduced priority.
E) The addresses of backend servers that should not get assigned any new connections.
5. Which of the following situations can result in a split brain situation in a high availability cluster?
A) More than one node is active in a load balanced cluster.
B) The communication between the cluster nodes is interrupted.
C) The load balancer of a load balanced cluster fails.
D) A cluster node has successfully been fenced.
E) Cluster services are moved between cluster nodes.
Solutions:
Question # 1 Answer: D | Question # 2 Answer: D | Question # 3 Answer: C | Question # 4 Answer: C | Question # 5 Answer: B |