500-430 Question #48: Real Exam Question with Answer & Explanation

Question

Options

• AClusters allow data replication across multiple nodes.
• BClusters are easier to maintain than single-node instances.
• CClusters are horizontally scalable by adding nodes.
• DClusters reduce the load on the AppDynamics Controller.
• EClusters expose multiple channels for simultaneous queries.

Explanation

An Events Service cluster is a group of two or more Events Service nodes that work together to store and process unstructured data generated by AppDynamics components such as Application Analytics, Database Visibility, and End User Monitoring. Using an Events Service cluster has two main advantages over a single-node instance: Clusters allow data replication across multiple nodes. This means that the data is duplicated and distributed among the nodes in the cluster, providing data redundancy and protection against data loss in case of a node failure. Data replication also improves data availability and query performance, as the cluster can handle concurrent requests from multiple clients. Clusters are horizontally scalable by adding nodes. This means that the cluster can grow in size and capacity by adding more nodes to the cluster, without affecting the existing nodes or data. Horizontal scaling allows the cluster to handle increasing data volumes and performance demands, as well as balance the workload among the nodes.

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