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SAP-C02 · Question #617

A scientific company needs to process text and image data from an Amazon S3 bucket. The data is collected from several radar stations during a live, time-critical phase of a deep space mission. The…

The correct answer is D. Create a new S3 replication rule on the source S3 bucket that filters for the keys that use the. To monitor specific S3 data replication for completion within 30 minutes, create a new S3 replication rule on the source bucket that filters by the specific radar station's object prefix.

Submitted by haruto_sh· Mar 6, 2026Continuous Improvement for Existing Solutions

Question

A scientific company needs to process text and image data from an Amazon S3 bucket. The data is collected from several radar stations during a live, time-critical phase of a deep space mission. The radar stations upload the data to the source S3 bucket. The data is prefixed by radar station identification number. The company created a destination S3 bucket in a second account. Data must be copied from the source S3 bucket to the destination S3 bucket to meet a compliance objective. This replication occurs through the use of an S3 replication rule to cover all objects in the source S3 bucket. One specific radar station is identified as having the most accurate data. Data replication at this radar station must be monitored for completion within 30 minutes after the radar station uploads the objects to the source S3 bucket. What should a solutions architect do to meet these requirements?

Options

  • ASetup an AWS DataSync agent to replicate the prefixed data from the source S3 bucket to the
  • BIn the second account, create another S3 bucket to receive data from the radar station with the
  • CEnable Amazon S3 Transfer Acceleration on the source S3 bucket, and configure the radar
  • DCreate a new S3 replication rule on the source S3 bucket that filters for the keys that use the

How the community answered

(17 responses)
  • A
    12% (2)
  • B
    6% (1)
  • D
    82% (14)

Why each option

To monitor specific S3 data replication for completion within 30 minutes, create a new S3 replication rule on the source bucket that filters by the specific radar station's object prefix.

ASetup an AWS DataSync agent to replicate the prefixed data from the source S3 bucket to the

AWS DataSync is primarily used for large-scale data transfers between on-premises storage and AWS, or between different AWS storage services, and is not the most direct or efficient solution for monitoring specific S3-to-S3 replication compliance.

BIn the second account, create another S3 bucket to receive data from the radar station with the

Creating another S3 bucket in the second account to receive specific data does not inherently provide the necessary monitoring capabilities for replication completion time; the replication rule and its metrics are configured on the source.

CEnable Amazon S3 Transfer Acceleration on the source S3 bucket, and configure the radar

Amazon S3 Transfer Acceleration speeds up object uploads to S3, but it does not provide mechanisms to monitor the completion time of S3-to-S3 replication, nor does it guarantee specific replication SLAs for compliance.

DCreate a new S3 replication rule on the source S3 bucket that filters for the keys that use theCorrect

Creating a new S3 replication rule with a filter for the specific radar station's key prefix allows for independent monitoring of its replication metrics. By enabling S3 Replication Time Control (S3 RTC) on this rule, you can monitor the replication progress and ensure objects are replicated within the required timeframe, with metrics available for tracking.

Concept tested: S3 Replication Time Control (RTC) with prefix filtering

Source: https://docs.aws.amazon.com/AmazonS3/latest/userguide/replication-metrics-s3-rtc.html

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