To receive the LPIC-3 High Availability and Storage Clusters certification, you must be LPIC-2 certified and pass the 306 exam. To aid you in your preparation, Passcert offers the most updated and comprehensive LPIC-3 High Availability and Storage Clusters Exam 306-300 Dumps which are designed with the sole purpose of assisting you in achieving a high score in your 306-300 exam on your very first attempt! Not only does Passcert LPIC-3 High Availability and Storage Clusters Exam 306-300 Dumps provide you with the necessary knowledge to pass the exam, but it also gives you a clear and thorough understanding of the level of complexity you can expect when taking the real 306-300 exam.
https://www.passcert.com/306-300.htmlLPIC-3 High Availability and Storage Clusters Exam 306
The LPIC-3 certification is the culmination of the multi-level professional certification program of the Linux Professional Institute (LPI). LPIC-3 is designed for the enterprise-level Linux professional and represents the highest level of professional, distribution-neutral Linux certification within the industry. Four separate LPIC-3 specialty certifications are available. Passing any one of the four exams will grant the LPIC-3 certification for that specialty.
The LPIC-3 High Availability and Storage Clusters certification covers the administration of Linux systems enterprise-wide with an emphasis on high availability systems and storage.
Exam Details
Current version: 3.0 (Exam code: 306-300)
Prerequisites: The candidate must have an active LPIC-2 certification to receive the LPIC-3 certification.
Requirements: Passing the 306 exam. The 90-minute exam is 60 multiple-choice and fill in the blank questions.
Validity period: 5 years
Languages: English, Japanese
LPIC-3 High Availability and Storage Clusters Exam 306 Objectives
Topic 361: High Availability Cluster Management
361.1 High Availability Concepts and Theory
361.2 Load Balanced Clusters
361.3 Failover Clusters
Topic 362: High Availability Cluster Storage
362.1 DRBD
362.2 Cluster Storage Access
362.3 Clustered File Systems
Topic 363: High Availability Distributed Storage
363.1 GlusterFS Storage Clusters
363.2 Ceph Storage Clusters
Topic 364: Single Node High Availability
364.1 Hardware and Resource High Availability
364.2 Advanced RAID
364.3 Advanced LVM
364.4 Network High Availability
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1. Which of the following statements describes fencing resources in a high availability cluster?
A. Fencing is the automated stop and restart of cluster services that suffer from software errors.
B. Fencing is the disconnection of a failed cluster node from any other cluster resources.
C. Fencing is the forwarding of incoming network connections to backend servers.
D. Fencing is the assignment of services to different cluster nodes to avoid interference of the services.
E. Fencing is the accounting and limitation of disk usage on shared storage.
Answer: B
2. Which of the following technologies are parts of the Red Hat Enterprise Linux High Availability Add-On? (Choose Three)
A. DRBD
B. LVS
C. cLVM
D. Pacemaker
E. OCFS2
Answer: B, C, D
3. Using Linux Virtual Server (LVS) without any additional tools provides which of the following features?
A. Balancing network connections across several backend servers.
B. Automatically taking over the services of failed nodes.
C. Restarting failed services on the backend servers.
D. Checking the integrity of services on backend servers.
E. Starting and stopping backend servers as needed.
Answer: A
4. How does the command to add a new resource to a Pacemaker cluster using crm begin?
A. crm manage cluster
B. crm configure primitive
C. crm service add
D. crm configure resource
E. crm resource new
Answer: B
5. Which of the following statements are true regarding OCFS2? (Choose Two)
A. When using OCFS2 with additional cluster software, OCFS2 must be integrated into the overall cluster manager to ensure consistent cluster behaviour.
B. To avoid the need for shared storage, OCFS2 can replicate the content of its filesystems via the network.
C. OCFS2 can be used without any additional software as it contains its own cluster manager, O2CB.
D. In addition to filesystems, OCFS2 can handle other cluster services such as IP addresses and server daemons.
E. OCFS2 is an integral part of Pacemaker and relies on Pacemaker services for functionality.
Answer: A, C
6. Which of the following commands displays only the resources of the cluster information base of a pacemaker cluster?
A. cibquery -o resources
B. cibadmin -R
C. cibadmin -Q -o resources
D. cibquery -L resources
E. cib_admin -L resources
Answer: C
7. When using the gatewaying/direct routing forwarding method of Linux Virtual Server (LVS), which of the following statements is true?
A. The default route of all backend servers must point to the LVS host.
B. On the backend servers, all packets appear to originate from the IP address of the LVS host.
C. The link layer addresses of all backend servers must be included in the LVS configuration.
D. When using gatewaying/direct routing, only the round robin algorithm is available.
E. Every backend server must accept packets addressed to the IP address of the virtual service.
Answer: E
8. Which of the following statements are true regarding a load balancer? (Choose Two)
A. Failover clusters are not operational without at least one dedicated load balancer.
B. All response packages sent from a backend server to a client must pass through the load balancer.
C. The load balancer is usually deployed on one of the backend servers.
D. Load balancers may be able to analyze traffic.
E. All incoming connections to the cluster services are received by the load balancer.
Answer: D, E
9. Which O2CB mode should be used for OCFS2 integration with heartbeat?
A. user
B. dlm
C. heartbeat
D. kernel
Answer: A
