Which reasons could explain the duplicate email messages?

2026-03-28
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In: DVA-C02
With: 2 Comments

A developer is investigating an issue in part of a company’s application.In the application, messages are sent to an Amazon Simple Queue Service (Amazon SQS) queue.The AWS Lambda function polls messages from the SQS queue and sends email messages by using Amazon Simple Email Service (Amazon SES).Users have been receiving duplicate email messages during periods of high traffic.Which reasons could explain the duplicate email messages? (Choose two.)Read More →

Which solutions for the script will meet these requirements?

2026-03-28
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In: DOP-C02
With: 2 Comments

A DevOps engineer is working on a data archival project that requires the migration of on-premises data to an Amazon S3 bucket.The DevOps engineer develops a script that incrementally archives on-premises data that is older than 1 month to Amazon S3.Data that is transferred to Amazon S3 is deleted from the on-premises location.The script uses the S3 PutObject operation.During a code review, the DevOps engineer notices that the script does not verify whether the data was successfully copied to Amazon S3.The DevOps engineer must update the script to ensure that data is not corrupted during transmission.The script must use MD5 checksums to verify data integrity before the on-premises data is deleted.Which solutions for the script will meet these requirements? (Choose two.)Read More →

Which solution would meet these requirements with the LEAST expense and down time?

2026-03-28
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In: SAP-C01
With: 2 Comments

A company has a large on-premises Apache Hadoop cluster with a 20 PB HDFS database.The cluster is growing every quarter by roughly 200 instances and 1PB.The company’s goals are to enable resiliency for its Hadoop data, limit the impact of losing cluster nodes, and significantly reduce costs.The current cluster runs 24/7 and supports a variety of analysis workloads, including interactive queries and batch processing.Which solution would meet these requirements with the LEAST expense and down time?Read More →

How should the security team prevent privilege escalation for both teams?

2026-03-28
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In: SCS-C01
With: 2 Comments

A company’s development team is designing an application using AWS Lambda and Amazon Elastic Container Service (Amazon ECS).The development team needs to create IAM roles to support these systems.The company’s security team wants to allow the developers to build IAM roles directly, but the security team wants to retain control over the permissions the developers can delegate to those roles.The development team needs access to more permissions than those required for application’s AWS services.The solution must minimize management overhead.How should the security team prevent privilege escalation for both teams?Read More →

Which solution will meet these requirements?

2026-03-28
By:
In: SAP-C02
With: 2 Comments

A company is collecting a large amount of data from a fleet of IoT devices.Data is stored as Optimized Row Columnar (ORC) files in the Hadoop Distributed File System (HDFS) on a persistent Amazon EMR cluster.The company’s data analytics team queries the data by using SQL in Apache Presto deployed on the same EMR cluster.Queries scan large amounts of data, always run for less than 15 minutes, and run only between 5 PM and 10 PM.The company is concerned about the high cost associated with the current solution.A solutions architect must propose the most cost-effective solution that will allow SQL data queries.Which solution will meet these requirements?Read More →