Pass Your Lpi 306-300 Exam with Correct 202 Questions and Answers
Latest [Dec 06, 2024] 2024 Realistic Verified 306-300 Dumps
NEW QUESTION # 19
Which of the following can be used as a low level device for DRBD? (Choose TWO correct answers.)
- A. A physical hard disk
- B. A LVM logical volume
- C. A rewritable CD
- D. A tape streamer
- E. A virtual tape library
Answer: A,B
NEW QUESTION # 20
What is the purpose of integrating DRBD with Pacemaker?
- A. To manage replication modes in DRBD
- B. To monitor the health and status of DRBD devices
- C. To provide high availability and automatic failover capabilities
- D. To configure networking connections and meshes for DRBD
Answer: C
NEW QUESTION # 21
Which of the following commands can be used to change properties such as the number of node slots or the label of an existing OCFS2 filesystem?
- A. crm_edit
- B. ocfs2.setprops
- C. ocfs2tool
- D. o2cbtool
- E. tunefs.ocfs2
Answer: E
NEW QUESTION # 22
Which clustered file system is commonly used on Linux and has the acronym OCFS2?
- A. Oracle Clustered File System 2
- B. Open-source Cluster File System 2
- C. Open Cluster File System 2
- D. Online Cluster File System 2
Answer: A
NEW QUESTION # 23
What is the purpose of the rados command-line tool in Ceph?
- A. To adjust the CRUSH map for data distribution.
- B. To configure and manage CephFS volumes.
- C. To manage OSDs and their storage devices.
- D. To interact with Rados Block Devices (RBDs).
Answer: D
NEW QUESTION # 24
Which file is commonly used to persist network bonding and VLAN configuration in Linux?
- A. /etc/systemd/network/.network
- B. /etc/sysconfig/networking-scripts/ifcfg-*
- C. /etc/systemd/network/.netdev
- D. /etc/network/interfaces
Answer: D
NEW QUESTION # 25
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 regular cluster operation, not all resources are used.
- 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 case of the failure of any component, enough resources must remain to provide all cluster services.
Answer: B,E
NEW QUESTION # 26
What is the purpose of configuring system shutdown at specific UPS events?
- A. To prevent data loss during power outages.
- B. To extend the lifespan of storage devices.
- C. To automatically restart the system after a hardware failure.
- D. To optimize system performance during high resource usage.
Answer: A
NEW QUESTION # 27
Which of the following statements describes fencing resources in a high availability cluster?
- A. Fencing is the accounting and limitation of disk usage on shared storage.
- B. Fencing is the forwarding of incoming network connections to backend servers.
- C. Fencing is the assignment of services to different cluster nodes to avoid interference of the services.
- D. Fencing is the disconnection of a failed cluster node from any other cluster resources.
- E. Fencing is the automated stop and restart of cluster services that suffer from software errors.
Answer: D
NEW QUESTION # 28
Which resource class in Pacemaker is used to monitor the health of cluster nodes based on CPU usage?
- A. ocf:pacemaker:HealthCPU
- B. ocf:pacemaker:ping
- C. ocf:pacemaker:NodeUtilization
- D. ocf:pacemaker:ocf:SysInfo
Answer: A
NEW QUESTION # 29
What is the purpose of placement groups (PGs) in a Ceph cluster?
- A. To monitor the health and availability of MON nodes.
- B. To distribute data across OSDs for redundancy and performance.
- C. To synchronize data between MDS instances in a CephFS.
- D. To manage access control for different storage pools.
Answer: B
NEW QUESTION # 30
What is the purpose of configuring high availability aspects of GlusterFS?
- A. To ensure continuous availability of storage services.
- B. To enable replication of data across multiple storage nodes.
- C. To prevent unauthorized access to storage volumes.
- D. To optimize storage performance for specific workloads.
Answer: A
NEW QUESTION # 31
Which of the following statements are true regarding OCFS2? (Choose TWO correct answers.)
- A. In addition to filesystems, OCFS2 can handle other cluster services such as IP addresses and server daemons.
- B. OCFS2 is an integral part of Pacemaker and relies on Pacemaker services for functionality.
- C. To avoid the need for shared storage, OCFS2 can replicate the content of its filesystems via the network.
- D. OCFS2 can be used without any additional software as it contains its own cluster manager, O2CB.
- E. When using OCFS2 with additional cluster software, OCFS2 must be integrated into the overall cluster manager to ensure consistent cluster behaviour.
Answer: D,E
NEW QUESTION # 32
What is the purpose of the Cluster Configuration System (CCS)?
- A. It manages the network topology and settings for the cluster.
- B. It fences a dropped node.
- C. It manages the cluster configuration information file.
- D. It manages ACLs for cluster service access.
Answer: C
NEW QUESTION # 33
Which resource class in Pacemaker is used to manage the power control of cluster nodes?
- A. Systemd
- B. STONITH
- C. LSB
- D. OCF
Answer: B
NEW QUESTION # 34
Which command-line utility is used to obtain information about the status of the Pacemaker cluster?
- A. crm_verify
- B. crm_mon
- C. crm
- D. pcs
Answer: B
NEW QUESTION # 35
What is the purpose of the vgdisplay command?
- A. To display information about volume groups.
- B. To create a new volume group in LVM.
- C. To display information about logical volumes.
- D. To display information about physical volumes.
Answer: A
NEW QUESTION # 36
How can you create an LVM RAID?
- A. LVM does not support RAID configurations.
- B. By combining multiple physical volumes into a volume group.
- C. By using the lvcreate command with the --raid option.
- D. By using the vgcreate command with the --raid option.
Answer: C
NEW QUESTION # 37
Which Pacemaker feature is used to detect and handle split brain scenarios when shared storage is used?
- A. Fencing
- B. Resource rules
- C. Quorum
- D. Split Brain Detector
Answer: D
NEW QUESTION # 38
How can you recover a RAID device after a failure?
- A. By reformatting the RAID device and rebuilding the array from scratch.
- B. By running the fsck utility on the array to fix any disk errors.
- C. By modifying the /proc/sys/dev/raid/ file to restore the array.
- D. By replacing the failed disk and running the mdadm --rebuild command.
Answer: D
NEW QUESTION # 39
What is LVM (Logical Volume Manager)?
- A. A utility for partitioning hard drives into multiple logical volumes.
- B. A file system used in Linux for managing storage devices.
- C. A software layer that provides flexible management of disk space.
- D. A command-line tool for creating RAID arrays.
Answer: C
NEW QUESTION # 40
Which command-line utility is commonly used to manage Pacemaker cluster configurations?
- A. crm_verify
- B. pcs
- C. crm
- D. crm_mon
Answer: B
NEW QUESTION # 41
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