306-300 by Lpi Actual Free Exam Q&As

Question 1

What is the purpose of the o2info utility?

A. To check the status of an OCFS2 file system. B. To mount an OCFS2 file system. C. To resize an OCFS2 file system. D. To create an OCFS2 file system.

Discussion 0

Correct Answer: A Vote an answer

Question 2

What does the term "split brain" refer to in the context of high availability clusters?

A. Data inconsistency due to replication delays B. Failure of the entire cluster C. Network partition causing communication issues D. Nodes competing for resources after a failure

Discussion 0

Correct Answer: C Vote an answer

Question 3

What are the key concepts of Ceph updates?

A. Update order, tunables, and features B. Update intervals, reliability, and performance C. Update security, monitoring, and automation D. Update compatibility, licensing, and documentation

Discussion 0

Correct Answer: A Vote an answer

Question 4

What is true for a virtual IP address in the context of keepalived? (Choose TWO correct answers.)

A. Within the whole LVS cluster managed by keepalived, the virtual IP address never appears on any network interface. B. The virtual IP address is the address to which incoming connections are made in order to reach the load balancer. C. The distinct IP addresses of all backend servers are called virtual IP addresses. D. Every server running keepalived has exactly one virtual IP address and cannot have any additional virtual IP addresses. E. keepalived uses VRRP to ensure the availability of the virtual IP address.

Discussion 0

Correct Answer: B,E Vote an answer

Question 5

Which of the following should be used as a lowlevel device for DRBD?

A. Session handling B. A loop device C. A EVMS volume

Discussion 0

Correct Answer: C Vote an answer

Question 6

What is an LVM pool?

A. A group of physical volumes combined to create a logical volume. B. A mechanism for allocating storage space on-demand within a volume group. C. A storage area for storing LVM snapshots. D. A redundant array of independent disks created using LVM.

Discussion 0

Correct Answer: B Vote an answer

Question 7

Which one of the following options represents a valid declaration of a backend server with HAProxy?

A. backend server_x 10.1.0.1:80 B. pool server_x 10.1.0.1:80 C. host server_x 10.1.0.1:80 cookie server_x D. server server_x 10.1.0.1:80 check

Discussion 0

Correct Answer: D Vote an answer

Question 8

What is the primary function of the DRBD kernel module?

A. To manage networking connections for DRBD B. To monitor the health and status of DRBD devices C. To provide high availability and automatic failover capabilities D. To handle replication between DRBD devices

Discussion 0

Correct Answer: D Vote an answer

Question 9

Which aspect of high availability focuses on maintaining consistent user sessions during failover?

A. Session handling B. Load balancing C. Replication D. Redundancy

Discussion 0

Correct Answer: A Vote an answer

Question 10

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 configure resource D. crm service add E. crm resource new

Discussion 0

Correct Answer: B Vote an answer

Question 11

Which tool is used to configure and manage CephFS volumes?

A. cephfs-control B. cephfs-manager C. cephfs-deploy D. cephfs-admin

Discussion 0

Correct Answer: A Vote an answer

Question 12

In the command: crm configure ____ http-after-ipv4 Mandatory: VHost1IPv4 HTTPD which missing word is required in order to ensure that the service HTTPD is always started after the service VHost1IP?
Solution: order -or- ORDER
Determine whether the given solution is correct?

A. Correct B. Incorrect

Discussion 0

Correct Answer: A Vote an answer

Question 13

Which cluster stack is associated with OCFS2?

A. O2CB B. DLM C. Lustre D. GFS2

Discussion 0

Correct Answer: A Vote an answer

Question 14

Which of the following configuration settings specify that keepalived is to use the round robin algorithm?

A. lb_algo rr B. lb_mode rr C. lb_algorithm=rr D. algorithm=round robin E. loadbalancer_mode=rr

Discussion 0

Correct Answer: A Vote an answer

Question 15

How can you replace a failed brick in a GlusterFS cluster?

A. By reconfiguring the trusted storage pools. B. By creating a new volume and migrating data from the failed brick. C. By adding a new peer to the cluster. D. By detaching the failed brick and attaching a new one.

Discussion 0

Correct Answer: D Vote an answer

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