[Jun 24, 2026] Get New 306-300 Certification Practice Test Questions Exam Dumps
Real 306-300 Exam Dumps Questions Valid 306-300 Dumps PDF
NEW QUESTION # 119
When using HAProxy to load balance requests over a set of web servers, what directive is needed in the HAProxy configuration in order to be able to log, on the backend web servers, the IP address of the client making a request?
- A. option forwardfor
- B. option reverseproxy
- C. option exposeclient
- D. option clientlog
Answer: A
NEW QUESTION # 120
In a Pacemaker cluster, which one of the following commands shows the right syntax for fencing the node on port 3 using the APC rack PDU device which can be found at IP address 192.168.1.145?
- A. apc_stonith -a 192.168.1.145 -l apc -n 3 -v -o shutdown -r now
- B. fence_apc -a 192.168.1.145 -l apc -p apc -n 3 -v -o reboot
- C. apc_stonith -a 192.168.1.145 -l apc -p apc -n 3 -v -o reboot
- D. fence_apc -a 192.168.1.145 -l apc -p apc -n 3 -v -o shutdown -r now
Answer: B
NEW QUESTION # 121
Which utility is used to resize a GFS2 file system?
- A. fsck.gfs2
- B. mkfs.gfs2
- C. gfs2_grow
- D. mount.gfs2
Answer: C
NEW QUESTION # 122
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. Incorrect
- B. Correct
Answer: B
NEW QUESTION # 123
How can the integrity of a DRBD device be restored and verified after an outage?
- A. By reconfiguring the networking connections and meshes
- B. By modifying the /etc/drbd.conf file
- C. By running drbdmeta verify command
- D. By restarting the DRBD service on all nodes
Answer: C
NEW QUESTION # 124
Which of the following statements are true regarding the determination of the capacity of a high availability cluster? (Choose TWO correct answers.)
- A. The overall capacity of all components in the cluster doesn't have to be larger than the resources needed in a regular setup.
- B. Failover clusters can be used to scale a single service beyond the capacity of a single cluster node.
- 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. In case of the failure of any component, enough resources must remain to provide all cluster services.
- E. In regular cluster operation, not all resources are used.
Answer: D,E
NEW QUESTION # 125
Which storage backends are available in Ceph?
- A. OSD and MDS
- B. FileStore and BlueStore
- C. Rados and CephFS
- D. BlockStore and ObjectStore
Answer: B
NEW QUESTION # 126
Which command is used to manage Ceph clusters?
- A. ceph-deploy
- B. ceph-admin
- C. ceph-control
- D. ceph-manager
Answer: A
NEW QUESTION # 127
How can you extend an LVM volume?
- A. By resizing the underlying physical partition of the volume.
- B. By moving the logical volume to a different volume group.
- C. By adding more extents to the logical volume within the volume group.
- D. By adding a new physical volume to the volume group.
Answer: C
NEW QUESTION # 128
What is the purpose of an LVM snapshot?
- A. To capture the current state of a logical volume for later reference.
- B. To create a backup copy of a logical volume.
- C. To increase the size of a logical volume dynamically.
- D. To allocate a portion of a physical volume for future use.
Answer: A
NEW QUESTION # 129
Which file is used to configure S.M.A.R.T monitoring using smartmontools?
- A. /etc/monit.conf
- B. /etc/nvme-cli.conf
- C. /etc/smartd.conf
- D. /etc/apcupsd.conf
Answer: C
NEW QUESTION # 130
Which of the following statements are true regarding a load balancer? (Choose TWO correct answers.)
- A. The load balancer is usually deployed on one of the backend servers.
- B. Failover clusters are not operational without at least one dedicated load balancer.
- C. Load balancers may be able to analyze traffic.
- D. All response packages sent from a backend server to a client must pass through the load balancer.
- E. All incoming connections to the cluster services are received by the load balancer.
Answer: C,E
NEW QUESTION # 131
What is the purpose of GlusterFS in a high availability distributed storage system?
- A. To manage network security for storage clusters.
- B. To enable data replication and fault tolerance.
- C. To optimize storage performance in virtualized environments.
- D. To provide load balancing for web applications.
Answer: B
NEW QUESTION # 132
Which of the following sections are found in the Pacemaker configuration XML file?
- A. <ressources> and <services>
- B. <cluster> and <state>
- C. <nodes> and <services>
- D. <pacemaker> and <corosync>
- E. <configuration> and <status>
Answer: E
NEW QUESTION # 133
In DRBD, what is the role of the "Primary" node?
- A. It is the node that provides read and write access to the replicated data.
- B. It is the node that handles split brain situations.
- C. It is the node that stores the replicated data.
- D. It is the node responsible for initiating replication.
Answer: A
NEW QUESTION # 134
What is a partitionable RAID?
- A. A RAID configuration that allows multiple partitions on each disk.
- B. A RAID level that combines multiple arrays into a single container.
- C. A RAID setup that uses partition tables for data distribution.
- D. A RAID level that supports resizing of the array partitions.
Answer: A
NEW QUESTION # 135
Which load balancing algorithm selects backend servers based on the source IP address of incoming requests?
- A. Direct Routing
- B. Source IP Hash
- C. Tunneling
- D. NAT (Network Address Translation)
Answer: B
NEW QUESTION # 136
How can you change the RAID level of an existing device?
- A. By running the lvm command with the --change-level option.
- B. Using the mdadm command with the --change-level option.
- C. By reformatting the RAID device with the desired level.
- D. By modifying the /proc/sys/dev/raid/ file.
Answer: B
NEW QUESTION # 137
How can you recover a RAID device after a failure?
- A. By modifying the /proc/sys/dev/raid/ file to restore the array.
- B. By replacing the failed disk and running the mdadm --rebuild command.
- C. By running the fsck utility on the array to fix any disk errors.
- D. By reformatting the RAID device and rebuilding the array from scratch.
Answer: B
NEW QUESTION # 138
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. The link layer addresses of all backend servers must be included in the LVS configuration.
- C. On the backend servers, all packets appear to originate from the IP address of the LVS host.
- 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
NEW QUESTION # 139
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