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DBS-C01 · Question #284

DBS-C01 Question #284: Real Exam Question with Answer & Explanation

The correct answer is A: Enable cluster cache management for the Aurora DB cluster and set the promotion priority for the. Failover priority of writer and reader needs to be Tier-0. https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/AuroraPostgreSQL.cluster-

Submitted by jordan8· Mar 6, 2026Management and Operations

Question

A company is using an Amazon Aurora PostgreSQL DB cluster for the backend of its mobile application. The application is running continuously and a database specialist is satisfied with high availability and fast failover, but is concerned about performance degradation after failover. How can the database specialist minimize the performance degradation after failover?

Options

  • AEnable cluster cache management for the Aurora DB cluster and set the promotion priority for the
  • BEnable cluster cache management tor the Aurora DB cluster and set the promotion priority for the
  • CEnable Query Plan Management for the Aurora DB cluster and perform a manual plan capture
  • DEnable Query Plan Management for the Aurora DB cluster and force the query optimizer to use

Explanation

Failover priority of writer and reader needs to be Tier-0. https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/AuroraPostgreSQL.cluster-

Topics

#Aurora PostgreSQL#failover performance#cluster cache management#high availability

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