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DBS-C01 · Question #245

The website of a manufacturing firm makes use of an Amazon Aurora PostgreSQL database cluster. Which settings will result in the LEAST amount of downtime for the application during failover? (Choose…

The correct answer is A. Use the provided read and write Aurora endpoints to establish a connection to the Aurora DB C. Edit and enable Aurora DB cluster cache management in parameter groups. E. Set JDBC connection string timeout variables to a low value. https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/AuroraPostgreSQL.BestPrac https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/AuroraPostgreSQL.cluster- https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/AuroraPostgreSQL.BestPrac…

Submitted by andreas_gr· Mar 6, 2026Workload-Specific Database Design

Question

The website of a manufacturing firm makes use of an Amazon Aurora PostgreSQL database cluster. Which settings will result in the LEAST amount of downtime for the application during failover? (Choose three.)

Options

  • AUse the provided read and write Aurora endpoints to establish a connection to the Aurora DB
  • BCreate an Amazon CloudWatch alert triggering a restore in another Availability Zone when the
  • CEdit and enable Aurora DB cluster cache management in parameter groups.
  • DSet TCP keepalive parameters to a high value.
  • ESet JDBC connection string timeout variables to a low value.
  • FSet Java DNS caching timeouts to a high value.

How the community answered

(44 responses)
  • A
    59% (26)
  • B
    7% (3)
  • D
    9% (4)
  • F
    25% (11)

Explanation

https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/AuroraPostgreSQL.BestPrac https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/AuroraPostgreSQL.cluster- https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/AuroraPostgreSQL.BestPrac tices.html#AuroraPostgreSQL.BestPractices.FastFailover.TCPKeepalives

Topics

#Aurora PostgreSQL#high availability#failover#connection management

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