Which set actions should a solutions architect take to improve response times?

2025-10-01
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In: SAP-C01
With: 1 Comment

A company’s service for video game recommendations has just gone viral.The company has new users from all over the world.The website for the service is hosted on a set of Amazon EC2 instances in an Auto Scaling group behind an Application Load Balancer (ALB).The website consists of static content with different resources being loaded depending on the device type.Users recently reported that the load time for the website has increased.Administrators are reporting high loads on the EC2 instances that host the service.Which set actions should a solutions architect take to improve response times?Read More →

How should the SysOps administrator resolve the problem?

2025-10-01
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In: SOA-C02
With: 1 Comment

A SysOps administrator created an AWS CloudFormation template that provisions an Amazon EventBridge rule that invokes an AWS Lambda function.The Lambda function is designed to write event details to an Amazon CloudWatch log group.The function has permissions to write events to Amazon CloudWatch Logs.However, the SysOps administrator discovered that the Lambda function is not running.How should the SysOps administrator resolve the problem?Read More →

Which solution will meet these requirements in the MOST operationally efficient way?

2025-10-01
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In: DOP-C01
With: 1 Comment

A company stores purchase history in an Amazon DynamoDB table.The company needs other workloads that run on AWS to react to data changes in the table.The company has enabled a DynamoDB stream on the table.Three existing AWS Lambda functions have an event source mapping configured for the DynamoDB stream.The company’s application developers plan to add other applications that will need to react to changes in the table.A DevOps engineer must design an architecture that will give the additional consumers this functionality.Which solution will meet these requirements in the MOST operationally efficient way?Read More →

Which actions should the database specialist take before creating the read replica?

2025-10-01
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In: DBS-C01
With: 1 Comment

An ecommerce company recently migrated one of its SQL Server databases to an Amazon RDS for SQL Server Enterprise Edition DB instance.The company expects a spike in read traffic due to an upcoming sale.A database specialist must create a read replica of the DB instance to serve the anticipated read traffic.Which actions should the database specialist take before creating the read replica? (Choose two.)Read More →

Which solution meets these requirements with the LEAST operational overhead?

2025-10-01
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In: SAA-C02
With: 1 Comment

A company is designing an application where users upload small files into Amazon S3.After a user uploads a file, the file requires one-time simple processing to transform the data and save the data in JSON format for later analysis.Each file must be processed as quickly as possible after it is uploaded.Demand will vary.On some days, users will upload a high number of files.On other days, users will upload a few files or no files.Which solution meets these requirements with the LEAST operational overhead?Read More →

Which approach is the FASTEST way to improve the model’s accuracy?

2025-10-01
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In: MLS-C01
With: 1 Comment

A bank wants to use a machine learning (ML) model to predict if users will default on credit card payments.The training data consists of 30,000 labeled records and is evenly balanced between two categories.For the model, an ML specialist selects the Amazon SageMaker built-in XGBoost algorithm and configures a SageMaker automatic hyperparameter optimization job with the Bayesian method.The ML specialist uses the validation accuracy as the objective metric.When the bank implements the solution with this model, the prediction accuracy is 75%.The bank has given the ML specialist 1 day to improve the model in production.Which approach is the FASTEST way to improve the model’s accuracy?Read More →

What are the possible causes?

2025-10-01
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In: DVA-C01
With: 1 Comment

A company is using AWS CodePipeline to deliver one of its applications.The delivery pipeline is triggered by changes to the main branch of an AWS CodeCommit repository and uses AWS CodeBuild to implement the test and build stages of the process and AWS CodeDeploy to deploy the application.The pipeline has been operating successfully for several months and there have been no modifications.Following a recent change to the application’s source code, AWS CodeDeploy has not deployed the updated application as expected.What are the possible causes? (Choose two.)Read More →

Which solution will provide the MOST cost savings for all the organization’s compute usage?

2025-10-01
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In: SAP-C01
With: 1 Comment

A company runs many workloads on AWS and uses AWS Organizations to manage its accounts.The workloads are hosted on Amazon EC2, AWS Fargate, andAWS Lambda.Some of the workloads have unpredictable demand.Accounts record high usage in some months and low usage in other months.The company wants to optimize its compute costs over the next 3 years.A solutions architect obtains a 6-month average for each of the accounts across the organization to calculate usage.Which solution will provide the MOST cost savings for all the organization’s compute usage?Read More →