A. apcupsd
B. monit
C. nvme-cli
D. smartctl
A. To configure multipathing for high availability in SAN environments
B. To handle concurrent access to shared resources in a cluster
C. To manage file systems on distributed storage
D. To provide high-speed data transfer in SAN environments
A. It does not include any storage components.
B. It offers support for load balanced clusters only and cannot manage failover clusters.
C. It is built on top of several high availability components that are also available in other Linux distributions.
D. It uses its own messaging subsystem, RHMQ, for cluster communication.
E. It can be managed using the regular Pacemaker commands like pcs.
A. cibquery -o resources
B. cibadmin -Q -o resources
C. cibadmin -R
D. cibquery -L resources
E. cib_admin -L resources
A. To provide load balancing for web applications.
B. To optimize storage performance in virtualized environments.
C. To manage network security for storage clusters.
D. To enable data replication and fault tolerance.
A. Failover clusters provide scalability of a service beyond the capacities of one cluster node.
B. The core component of every failover cluster is a load balancer.
C. Every service may not be run more than once in a cluster.
D. Failover clusters always require storage that is shared by all nodes.
E. In normal operation, services may be spread over all nodes.
A. Starting and stopping backend servers as needed.
B. Restarting failed services on the backend servers.
C. Checking the integrity of services on backend servers.
D. Balancing network connections across several backend servers.
E. Automatically taking over the services of failed nodes.
A. To provide load balancing across multiple network interfaces.
B. RSTP is not related to switch configuration.
C. To ensure redundancy and quick recovery in case of network failures.
D. To manage VLANs and network segmentation.
A. They specify the encryption algorithms used for data security.
B. They describe the layout and configuration of the RAID array.
C. They determine the size and capacity of the RAID devices.
D. They refer to the file systems used on the RAID devices.
A. Define constraints on which services may run on the same cluster node.
B. Provide multi-tenancy cluster configuration for cloud computing.
C. Prevent failed nodes from interfering with the remaining intact part of the cluster.
D. Ensure a consistent assignment of all network connections from a client to the same cluster server.
E. Enforce storage quota and other resource limitations for each service provided by the cluster.
