Lpi 306-300 Practice Exams
Last updated on Oct 21,2026- Exam Code: 306-300
- Exam Name: LPIC-3: High Availability and Storage Clusters - Exam 306, version 3.0
- Certification Provider: Lpi
- Latest update: Oct 21,2026
How can you add a new device to an existing RAID array?
- A . Using the mdadm command with the –add option.
- B . By running the fsck utility on the array.
- C . Using the lvm command to extend the array.
- D . By modifying the /proc/mdstat file manually.
What does a Service Level Agreement (SLA) typically define in the context of high availability?
- A . The maximum number of nodes in a cluster
- B . The duration of downtime allowed for a system
- C . The number of resources shared between nodes
- D . The type of load balancing algorithm used
What is the purpose of a Storage Area Network (SAN)?
- A . To provide network connectivity for servers
- B . To store and retrieve data from remote block storage devices
- C . To connect multiple servers together in a cluster
- D . To manage file systems on distributed storage
What is a partitionable RAID?
- A . A RAID level that supports resizing of the array partitions.
- B . A RAID configuration that allows multiple partitions on each disk.
- C . A RAID level that combines multiple arrays into a single container.
- D . A RAID setup that uses partition tables for data distribution.
How can you configure VLANs on bonded network interfaces using the ip command?
- A . ip link add vlanX link bondY type vlan id Z
- B . ip vlan add bondX id Y
- C . ip bond add-vlan bondX vlan-id Y
- D . ip vlan create bondX id Y
What are the key concepts of Ceph updates?
- A . Update order, tunables, and features
- B . Update intervals, reliability, and performance
- C . Update compatibility, licensing, and documentation
- D . Update security, monitoring, and automation
Which mechanism is used to ensure only one node has access to shared resources in a cluster?
- A . Quorum
- B . Fencing
- C . Split brain
- D . Replication
How can you add additional storage capacity to a GlusterFS cluster?
- A . By creating new trusted storage pools
- B . By adding bricks to existing volumes
- C . By increasing the number of peers in the cluster
- D . By creating new volumes
While setting up a load-balanced HTTP service, Linux Virtual Server was configured with the commands:
ipvsadm -A -t 198.51.100.2:80 -s rr
ipvsadm -a -t 198.51.100.2:80 -r 192.168.10.1:80 -m
ipvsadm -a -t 198.51.100.2:80 -r 192.168.10.2:80 -m and all backend servers are using the LVS host as the default router.
Which additional command has to be issued on the LVS host in order to correctly handle incoming HTTP traffic?
- A . echo "1" > /proc/sys/net/ipv4/ip_forward
- B . iptables -t nat -Z
- C . ipvsadmin -L -n
- D . ipmasq -A 192.168.10.1 -A 192.168.10.2 -p tcp –dport www -j DEMASQ
- E . netstat -r
Which tool is used to configure and manage CephFS volumes?
- A . cephfs-admin
- B . cephfs-deploy
- C . cephfs-manager
- D . cephfs-control