Home » Oracle » 1z0-027 » Which three are among the software components that constitute the QoS Management framework?
Which three are among the software components that constitute the QoS Management framework?
A. Cluster Health Monitor (CHM)
B. Cluster Verification Utility (CLUVFY)
C. O/S Resource Manager
D. Grid Infrastructure for a standalone server
E. Grid Infrastructure for a cluster
F. OC4J cluster resource
Correct Answer: AEF
Explanation/Reference:
A: In conjunction with Cluster Health Monitor, QoS Management’s Memory Guard detects nodes that are at risk of failure due to memory overcommitment. It responds by automatically preventing new connections thus preserving existing workloads and restores connectivity once the sufficient memory is again available. .
F: The ora.oc4j is for the QoS (Quality of Service Management), which is only available on Exadata.
Incorrect:
Not B: The Cluster Verification Utility (CVU) performs system checks in preparation for installation, patch updates, or other system changes. Using CVU ensures that you have completed the required system configuration and preinstallation steps so that your Oracle grid infrastructure or Oracle Real Application Clusters (Oracle RAC) installation, update, or patch operation completes successfully.
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