Which steps must be taken to address this situation?

2026-04-01
By:
In: SCS-C01
With: 2 Comments

A company stores data on an Amazon EBS volume attached to an Amazon EC2 instance.The data is asynchronously replicated to an Amazon S3 bucket.Both the EBS volume and the S3 bucket are encrypted with the same AWS KMS Customer Master Key (CMK).A former employee scheduled a deletion of that CMK before leaving the company.The company’s Developer Operations department learns about this only after the CMK has been deleted.Which steps must be taken to address this situation?Read More →

What should a solutions architect do to meet these requirements?

2026-04-01
By:
In: SAA-C03
With: 2 Comments

A company runs its ecommerce application on AWS.Every new order is published as a massage in a RabbitMQ queue that runs on an Amazon EC2 instance in a single Availability Zone.These messages are processed by a different application that runs on a separate EC2 instance.This application stores the details in a PostgreSQL database on another EC2 instance.All the EC2 instances are in the same Availability Zone.The company needs to redesign its architecture to provide the highest availability with the least operational overhead.What should a solutions architect do to meet these requirements?Read More →

Which solution will meet these requirements?

2026-04-01
By:
In: SAP-C02
With: 2 Comments

A company built an application based on AWS Lambda deployed in an AWS CloudFormation stack.The last production release of the web application introduced an issue that resulted in an outage lasting several minutes.A solutions architect must adjust the deployment process to support a canary release.Which solution will meet these requirements?Read More →

Which combination of steps will meet these requirements?

2026-04-01
By:
In: DVA-C01
With: 2 Comments

A company needs an application that consumes logs from Apache HTTP servers at a large scale with near real-time processing.The logs will vary in size from 300 KB to 500 KB.As part of processing, the company needs to convert the logs to JSON format and then upload the logs to an Amazon OpenSearch Service cluster.Which combination of steps will meet these requirements? (Choose two.)Read More →

Which AWS solution should the company use to meet these requirements?

2026-04-01
By:
In: CLF-C01
With: 2 Comments

A company wants to migrate a critical application to AWS.The application has a short runtime.The application is invoked by changes in data or by shifts in system state.The company needs a compute solution that maximizes operational efficiency and minimizes the cost of running the application.Which AWS solution should the company use to meet these requirements?Read More →

What cost-effective configuration change should the Administrator make to mitigate the risk of SQL injection attacks?

2026-04-01
By:
In: SOA-C01
With: 2 Comments

A SysOps Administrator is deploying a legacy web application on AWS.The application has four Amazon EC2 instances behind a Classic Load Balancer and stores data in an Amazon RDS instance.The legacy application has known vulnerabilities to SQL injection attacks, but the application code is no longer available to update.What cost-effective configuration change should the Administrator make to mitigate the risk of SQL injection attacks?Read More →

Which sequence of steps should the data scientist take to meet these requirements?

2026-04-01
By:
In: MLS-C01
With: 2 Comments

A data scientist has explored and sanitized a dataset in preparation for the modeling phase of a supervised learning task.The statistical dispersion can vary widely between features, sometimes by several orders of magnitude.Before moving on to the modeling phase, the data scientist wants to ensure that the prediction performance on the production data is as accurate as possible.Which sequence of steps should the data scientist take to meet these requirements?Read More →

Which data storage solution meets these requirements?

2026-04-01
By:
In: SAA-C02
With: 2 Comments

A company is building a payment application that must be highly available even during regional service disruptions. A solutions architect must design a data storage solution that can be easily replicated and used in other AWS Regions. The application also requires low-latency atomicity, consistency, isolation, and durability (ACID) transactions that need to be immediately available to generate reports The development team also needs to use SQL.Which data storage solution meets these requirements?Read More →

Which solution will meet these requirements?

2026-04-01
By:
In: DBS-C01
With: 2 Comments

A company uses a single-node Amazon RDS for MySQL DB instance for its production database.The DB instance runs in an AWS Region in the United States.A week before a big sales event, a new maintenance update is available for the DB instance.The maintenance update is marked as required.The company wants to minimize downtime for the DB instance and asks a database specialist to make the DB instance highly available until the sales event ends.Which solution will meet these requirements?Read More →

When calling the API, the developer receives the following error:Wed Nov 08 01:13:00 UTC 2017 : Method completed with status: 502What should the developer do to resolve the error?

2026-04-01
By:
In: DVA-C02
With: 2 Comments

A developer is building an application integrating an Amazon API Gateway with an AWS Lambda function.When calling the API, the developer receives the following error:Wed Nov 08 01:13:00 UTC 2017 : Method completed with status: 502What should the developer do to resolve the error?Read More →