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What are the key concepts of Ceph updates?A . Update order, tunables, and featuresB . Update intervals, reliability, and performanceC . Update compatibility, licensing, and documentationD . Update security, monitoring, and automationView AnswerAnswer: A

Which of the following Messaging Layers are supported by Pacemaker? (Choose TWO correct answers.)A . HeartbeatB . OpenAISC . DRBDD . SCMPE . SlurmView AnswerAnswer: AB

Which one of the following should NOT be used as a lowlevel device for DRBD?A . A LVM logical volumeB . A physical hard diskC . A EVMS volumeD . A loop deviceView AnswerAnswer: D

Which of the following commands displays only the resources of the cluster information base of a pacemaker cluster?A . cibquery -o resourcesB . cibadmin -RC . cibadmin -Q -o resourcesD . cibquery -L resourcesE . cib_admin -L resourcesView AnswerAnswer: C

Which tool is used to configure system shutdown at specific UPS events?A . smartctlB . nvme-cliC . apcupsdD . monitView AnswerAnswer: C

What is the purpose of mdadm monitoring and reporting?A . To track the CPU usage of the RAID devices.B . To monitor the temperature of the RAID disks.C . To receive notifications about RAID array failures.D . To optimize the performance of the RAID array.View AnswerAnswer: C

What does the /proc/mdstat file contain?A . Information about the system's memory usage.B . Details about the RAID devices and their status.C . The configuration file for the mdadm utility.D . A log of disk check operations performed on the array.View AnswerAnswer: B

What is true for a virtual IP address in the context of keepalived? (Choose TWO correct answers.)A . The distinct IP addresses of all backend servers are called virtual IP addresses.B . Every server running keepalived has exactly one virtual IP address and cannot have any additional virtual IP addresses.C...

What is network bonding?A . Combining multiple network interfaces into a single logical interface.B . Configuring VLANs on network interfaces for traffic separation.C . Enabling redundant networking connections for high availability.D . Establishing a secure connection between two networks.View AnswerAnswer: A

True or False: Define constraints on which services may run on the same cluster node is the purpose of fencing in a high availability cluster.A . TrueB . FalseView AnswerAnswer: B