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DOP-C02 · Question #234

A company deploys an application in two AWS Regions. The application currently uses an Amazon S3 bucket in the primary Region to store data. A DevOps engineer needs to ensure that the application is h

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Submitted by hassan_iq· Mar 6, 2026Reliability & Resilience

Question

A company deploys an application in two AWS Regions. The application currently uses an Amazon S3 bucket in the primary Region to store data. A DevOps engineer needs to ensure that the application is highly available in both Regions. The DevOps engineer has created a new S3 bucket in the secondary Region. All existing and new objects must be in both S3 buckets. The application must fail over between the Regions with no data loss. Which combination of steps will meet these requirements with the MOST operational efficiency? (Choose three.)

Options

  • ACreate a new IAM role that allows the Amazon S3 and S3 Batch Operations service principals to
  • BCreate a new IAM role that allows the AWS Batch service principal to assume the role that has
  • CCreate an S3 Cross-Region Replication (CRR) rule on the source S3 bucket. Configure the rule to
  • DCreate a two-way replication rule on the source S3 bucket. Configure the rule to use the IAM role
  • ECreate an AWS Batch job that has an AWS Fargate orchestration type. Configure the job to use
  • FCreate an operation in S3 Batch Operations to replicate the contents of the source S3 bucket to

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Topics

#S3 Cross-Region Replication#S3 Batch Operations#High Availability#Data Replication Strategy
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