306-300 無料問題集「Lpi LPIC-3 Exam 306: High Availability and Storage Clusters」

（A）It monitors the S.M.A.R.T values of storage devices.

（B）It triggers disk checks at regular intervals.

（C）It monitors the system's CPU usage.

（D）It monitors the system's memory usage.

（A）Failover clusters always require storage that is shared by all nodes.

（B）Failover clusters provide scalability of a service beyond the capacities of one cluster node.

（C）Every service may not be run more than once in a cluster.

（D）The core component of every failover cluster is a load balancer.

（E）In normal operation, services may be spread over all nodes.

（A）By restarting the GlusterFS services on each peer.

（B）By synchronizing the trusted storage pools.

（C）By rebalancing the data across the storage nodes.

（D）By running a cluster-wide file system check.

（A）Correct

（B）Incorrect

（A）Every backend server must accept packets addressed to the IP address of the virtual service.

（B）On the backend servers, all packets appear to originate from the IP address of the LVS host.

（C）The default route of all backend servers must point to the LVS host.

（D）The link layer addresses of all backend servers must be included in the LVS configuration.

（E）When using gatewaying/direct routing, only the round robin algorithm is available.

（A）mount.gfs2

（B）fsck.gfs2

（C）gfs2_grow

（D）mkfs.gfs2

（A）Load balancing algorithm selection

（B）IP address failover

（C）Backend server configuration

（D）ACL management

（A）fsck.ocfs2

（B）mkfs.ocfs2

（C）mount.ocfs2

（D）tunefs.ocfs2

（A）False

（B）True

（A）By reformatting the RAID device with the desired level.

（B）By modifying the /proc/sys/dev/raid/ file.

（C）Using the mdadm command with the --change-level option.

（D）By running the lvm command with the --change-level option.