A Manufacturing Company's Website Uses an Amazon Aurora PostgreSQL DB

question 15

Multiple Choice

A manufacturing company's website uses an Amazon Aurora PostgreSQL DB cluster. Which configurations will result in the LEAST application downtime during a failover? (Choose three.)

• A) Use the provided read and write Aurora endpoints to establish a connection to the Aurora DB cluster.
• B) Create an Amazon CloudWatch alert triggering a restore in another Availability Zone when the primary Aurora DB cluster is unreachable.
• C) Edit and enable Aurora DB cluster cache management in parameter groups.
• D) Set TCP keepalive parameters to a high value.
• E) Set JDBC connection string timeout variables to a low value.
• F) Set Java DNS caching timeouts to a high value.

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