A team has an application that detects new objects being uploaded into an Amazon S3 bucket. The uploads trigger a Lambda function to write object metadata into an Amazon DynamoDB table and RDS PostgreSQL database.Which action should the team take to ensure high availability?

Question

Accepted Answer

Create a DynamoDB stream for the DynamoDB table.

Answer

Enable cross-region replication in the Amazon S3 bucket.

Answer

Create a Lambda function for each Availability Zone the application is deployed in.

Answer

Enable multi-AZ on the RDS PostgreSQL database.

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Question 132

A team has an application that detects new objects being uploaded into an Amazon S3 bucket. The uploads trigger a Lambda function to write object metadata into an Amazon DynamoDB table and RDS PostgreSQL database.Which action should the team take to ensure high availability?

Answers

A. Enable cross-region replication in the Amazon S3 bucket.

B. Create a Lambda function for each Availability Zone the application is deployed in.

C. Enable multi-AZ on the RDS PostgreSQL database.

D. Create a DynamoDB stream for the DynamoDB table.

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