What is the purpose of DRBD quorum and split brain handlers?
A. To configure automatic recovery and error handling
B. To detect and resolve split brain situations
C. To monitor the health and status of DRBD devices
D. To manage the replication mode used by DRBD
正解:B
質問 2:
What is the purpose of the o2info utility?
A. To resize an OCFS2 file system.
B. To check the status of an OCFS2 file system.
C. To mount an OCFS2 file system.
D. To create an OCFS2 file system.
正解:B
質問 3:
What is the purpose of placement groups (PGs) in a Ceph cluster?
A. To distribute data across OSDs for redundancy and performance.
B. To synchronize data between MDS instances in a CephFS.
C. To manage access control for different storage pools.
D. To monitor the health and availability of MON nodes.
正解:A
質問 4:
What is the purpose of configuring monit for alerts in case of resource exhaustion?
A. To monitor CPU usage and temperature.
B. To monitor network traffic on the system.
C. To monitor disk space and memory usage.
D. To monitor power supply status.
正解:C
質問 5:
What is BGP (Border Gateway Protocol)?
A. BGP is not relevant to network high availability.
B. A protocol for managing VLANs in a network infrastructure.
C. A protocol for establishing secure connections between networks.
D. A protocol used to exchange routing information between autonomous systems.
正解:D
質問 6:
Which command-line utility is used to manage Pacemaker resources?
A. crm_attribute
B. crm_standby
C. crm_resource
D. crm_node
正解:C
質問 7:
Which cluster stack is associated with OCFS2?
A. O2CB
B. Lustre
C. GFS2
D. DLM
正解:A
質問 8:
How can you recover a RAID device after a failure?
A. By running the fsck utility on the array to fix any disk errors.
B. By reformatting the RAID device and rebuilding the array from scratch.
C. By replacing the failed disk and running the mdadm --rebuild command.
D. By modifying the /proc/sys/dev/raid/ file to restore the array.
正解:C
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高桥** -
とても分かりやすく丁寧に、306-300をすんなり理解できました。