What is the MOST cost-effective way for the company to handle the sudden and significant changes in traffic?

2026-03-21
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In: SAP-C01
With: 2 Comments

A company is running an application in the AWS Cloud.The application uses AWS Lambda functions and Amazon Elastic Container Service (Amazon ECS) containers that run with AWS Fargate technology as its primary compute.The load on the application is irregular.The application experiences long periods of no usage, followed by sudden and significant increases and decreases in traffic.The application is write-heavy and stores data in an Amazon Aurora MySQL database.The database runs on an Amazon RDS memory optimized DB instance that is not able to handle the load.What is the MOST cost-effective way for the company to handle the sudden and significant changes in traffic?Read More →

Which solution will meet these requirements with the LEAST operational overhead?

2026-03-21
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In: SAA-C03
With: 2 Comments

A company runs a production database on Amazon RDS for MySQL.The company wants to upgrade the database version for security compliance reasons.Because the database contains critical data, the company wants a quick solution to upgrade and test functionality without losing any data.Which solution will meet these requirements with the LEAST operational overhead?Read More →

What could be the cause of the error messages for these customers?

2026-03-21
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In: SAP-C02
With: 2 Comments

A company is building a software-as-a-service (SaaS) solution on AWS.The company has deployed an Amazon API Gateway REST API with AWS Lambda integration in multiple AWS Regions and in the same production account.The company offers tiered pricing that gives customers the ability to pay for the capacity to make a certain number of API calls per second.The premium tier offers up to 3,000 calls per second, and customers are identified by a unique API key.Several premium tier customers in various Regions report that they receive error responses of 429 Too Many Requests from multiple API methods during peak usage hours.Logs indicate that the Lambda function is never invoked.What could be the cause of the error messages for these customers?Read More →

What should a solutions architect recommend to decouple the system?

2026-03-21
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In: SAA-C02
With: 2 Comments

A mobile gaming company runs application servers on Amazon EC2 instances.The servers receive updates from players every 15 minutes.The mobile game creates a JSON object of the progress made in the game since the last update, and sends the JSON object to an Application Load Balancer.As the mobile game is played, game updates are being lost.The company wants to create a durable way to get the updates in older.What should a solutions architect recommend to decouple the system?Read More →

Which solution will meet these requirements?

2026-03-21
By:
In: DVA-C02
With: 2 Comments

A developer works for a company that only has a single pre-production AWS account with an AWS CloudFormation AWS Serverless Application Model (AWS SAM) stack.The developer made changes to an existing AWS Lambda function specified in the AWS SAM template and additional Amazon Simple Notification service (Amazon SNS) topics.The developer wants to do a one-time deploy of the changes to test if the changes are working.The developer does not want to impact the existing pre-production application that is currently being used by other team members as part of the release pipeline.Which solution will meet these requirements?Read More →

Which log sources contain the status codes?

2026-03-21
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In: SOA-C02
With: 2 Comments

A SysOps administrator is maintaining a web application using an Amazon CloudFront web distribution, an Application Load Balancer (ALB), Amazon RDS, and Amazon EC2 in a VPC.All services have logging enabled.The administrator needs to investigate HTTP Layer 7 status codes from the web application.Which log sources contain the status codes? (Choose two.)Read More →

Which solution should a solutions architect recommend to enhance the origin security?

2026-03-20
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In: SAP-C01
With: 2 Comments

A medical company is running a REST API on a set of Amazon EC2 instances.The EC2 instances run in an Auto Scaling group behind an Application LoadBalancer (ALB).The ALB runs in three public subnets, and the EC2 instances run in three private subnets.The company has deployed an Amazon CloudFront distribution that has the ALB as the only origin.Which solution should a solutions architect recommend to enhance the origin security?Read More →

Which solution will meet these requirements?

2026-03-20
By:
In: SAA-C03
With: 2 Comments

A solutions architect is designing a user authentication solution for a company.The solution must invoke two-factor authentication for users that log in from inconsistent geographical locations, IP addresses, or devices.The solution must also be able to scale up to accommodate millions of users.Which solution will meet these requirements?Read More →