What should the solutions architect do to reduce the overall data transfer costs?

2025-09-30
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In: SAA-C02
With: 1 Comment

A solutions architect is creating an application that will handle batch processing of large amounts of data.The input data will be held in Amazon S3 and the output data will be stored in a different S3 bucket.For processing, the application will transfer the data over the network between multiple Amazon EC2 instances.What should the solutions architect do to reduce the overall data transfer costs?Read More →

How should the company prepare the data for the model to improve the model’s accuracy?

2025-09-30
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In: MLS-C01
With: 1 Comment

A company is building a predictive maintenance model for its warehouse equipment.The model must predict the probability of failure of all machines in the warehouse.The company has collected 10,000 event samples within 3 months.The event samples include 100 failure cases that are evenly distributed across 50 different machine types.How should the company prepare the data for the model to improve the model’s accuracy?Read More →

What is the FASTEST way to prevent the sensitive data from being exposed?

2025-09-30
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In: SCS-C01
With: 1 Comment

An application is running on an Amazon EC2 instance that has an IAM role attached.The IAM role provides access to an AWS Key Management Service (AWSKMS) customer managed key and an Amazon S3 bucket.A security engineer discovers a potential vulnerability on the EC2 instance that could result in the compromise of the sensitive data.Due to other critical operations, the security engineer cannot immediately shut down the EC2 instance for vulnerability patching.What is the FASTEST way to prevent the sensitive data from being exposed?Read More →

Which solution will meet these requirements MOST cost-effectively?

2025-09-30
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In: SAP-C01
With: 1 Comment

A company implements a containerized application by using Amazon Elastic Container Service (Amazon ECS) and Amazon API Gateway.The application data is stored in Amazon Aurora databases and Amazon DynamoDB databases.The company automates infrastructure provisioning by using AWS CloudFormation.The company automates application deployment by using AWS CodePipeline.A solutions architect needs to implement a disaster recovery (DR) strategy that meets an RPO of 2 hours and an RTO of 4 hours.Which solution will meet these requirements MOST cost-effectively?Read More →

Which solution will meet this requirement?

2025-09-30
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In: SOA-C02
With: 1 Comment

A company uses AWS CloudFormation templates to deploy cloud infrastructure.An analysis of all the company’s templates shows that the company has declared the same components in multiple templates.A SysOps administrator needs to create dedicated templates that have their own parameters and conditions for these common components.Which solution will meet this requirement?Read More →

Which step should be taken to troubleshoot this issue?

2025-09-30
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In: DBS-C01
With: 1 Comment

A large financial services company requires that all data be encrypted in transit.A Developer is attempting to connect to an Amazon RDS DB instance using the company VPC for the first time with credentials provided by a Database Specialist.Other members of the Development team can connect, but this user is consistently receiving an error indicating a communications link failure.The Developer asked the Database Specialist to reset the password a number of times, but the error persists.Which step should be taken to troubleshoot this issue?Read More →

What should the solutions architect do to meet these requirements?

2025-09-30
By:
In: SAA-C02
With: 1 Comment

A company is building a website that relies on reading and writing to an Amazon DynamoDB database.The traffic associated with the website predictably peaks during business hours on weekdays and declines overnight and during weekends.A solutions architect needs to design a cost-effective solution that can handle the load.What should the solutions architect do to meet these requirements?Read More →

Which solution will meet these requirements MOST cost-effectively?

2025-09-30
By:
In: MLS-C01
With: 1 Comment

A company operates an amusement park.The company wants to collect, monitor, and store real-time traffic data at several park entrances by using strategically placed cameras.The company’s security team must be able to immediately access the data for viewing.Stored data must be indexed and must be accessible to the company’s data science team.Which solution will meet these requirements MOST cost-effectively?Read More →