Which solution will meet these requirements with the LEAST development effort?

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

A bank has collected customer data for 10 years in CSV format.The bank stores the data in an on-premises server.A data science team wants to use Amazon SageMaker to build and train a machine learning (ML) model to predict churn probability.The team will use the historical data.The data scientists want to perform data transformations quickly and to generate data insights before the team builds a model for production.Which solution will meet these requirements with the LEAST development effort?Read More →

What should the solutions architect recommend?

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

A company hosts an application used to upload files to an Amazon S3 bucket.Once uploaded, the files are processed to extract metadata, which takes less than5 seconds.The volume and frequency of the uploads varies from a few files each hour to hundreds of concurrent uploads.The company has asked a solutions architect to design a cost-effective architecture that will meet these requirements.What should the solutions architect recommend?Read More →

After the database specialist makes this change, when will the instances be assigned to this new parameter group?

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

A database specialist has a fleet of Amazon RDS DB instances that use the default DB parameter group.The database specialist needs to associate a custom parameter group with some of the DB instances.After the database specialist makes this change, when will the instances be assigned to this new parameter group?Read More →

Which deployment option should the Engineer choose to meet the uptime and recovery objectives for the system?

2026-04-04
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In: DOP-C01
With: 2 Comments

A DevOps Engineer administers an application that manages video files for a video production company.The application runs on Amazon EC2 instances behind an ELB Application Load Balancer.The instances run in an Auto Scaling group across multiple Availability Zones.Data is stored in an Amazon RDS PostgreSQLMulti-AZ DB instance, and the video files are stored in an Amazon S3 bucket.On a typical day, 50 GB of new video are added to the S3 bucket.The Engineer must implement a multi-region disaster recovery plan with the least data loss and the lowest recovery times.The current application infrastructure is already described using AWS CloudFormation.Which deployment option should the Engineer choose to meet the uptime and recovery objectives for the system?Read More →

What is the MOST likely reason for this failure and how can it be mitigated in the future?

2026-04-04
By:
In: SAP-C01
With: 2 Comments

A company has a standard three-tier architecture using two Availability Zones.During the company’s off season, users report that the website is not working.TheSolutions Architect finds that no changes have been made to the environment recently, the website is reachable, and it is possible to log in.However, when theSolutions Architect selects the `find a store near you` function, the maps provided on the site by a third-party RESTful API call do not work about 50% of the time after refreshing the page.The outbound API calls are made through Amazon EC2 NAT instances.What is the MOST likely reason for this failure and how can it be mitigated in the future?Read More →