306-300 exam

When running a Linux Virtual Server (LVS) cluster, what is the purpose of a nanny process?A . Each nanny process checks the state of one configured service on one real server, and tells LVS if the service on that real server is malfunctioning.B . The nanny process powers off a...

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...

Which parameter of vgchange controls whether a volume group is shared within a shared storage cluster? (Specify ONLY the option name without any values or parameters.) Solution: -c -or- c -or- clustered -or- --clustered Determine whether the given solution is correct?A . CorrectB . IncorrectView AnswerAnswer: A

Which clustered file system is commonly used on Linux and has the acronym OCFS2?A . Open Cluster File System 2B . Oracle Clustered File System 2C . Online Cluster File System 2D . Open-source Cluster File System 2View AnswerAnswer: B

How can you add a new device to an existing RAID array?A . Using the mdadm command with the --add option.B . By running the fsck utility on the array.C . Using the lvm command to extend the array.D . By modifying the /proc/mdstat file manually.View AnswerAnswer: A

Which command-line utility is used to manage the fencing devices in a Pacemaker cluster?A . stonith_adminB . stonithC . sbdD . pcsView AnswerAnswer: B

Which command-line utility is used to manage the Pacemaker cluster configuration database?A . pcsB . crmC . crm_monD . cibadminView AnswerAnswer: D

What is the purpose of the drbdmon utility?A . To manage DRBD networking connectionsB . To monitor the status of DRBD devicesC . To configure automatic recovery and error handlingD . To verify the integrity of a DRBD deviceView AnswerAnswer: B

What is the purpose of RSTP (Rapid Spanning Tree Protocol) in switch configuration for high availability?A . To provide load balancing across multiple network interfaces.B . To ensure redundancy and quick recovery in case of network failures.C . To manage VLANs and network segmentation.D . RSTP is not related to...

Which utility can be used to manage network bonding in Linux?A . nmcliB . ipC . ifenslaveD . bonding.koView AnswerAnswer: C