Which solution will meet these requirements?

2026-03-31
By:
In: MLS-C01
With: 2 Comments

An insurance company developed a new experimental machine learning (ML) model to replace an existing model that is in production.The company must validate the quality of predictions from the new experimental model in a production environment before the company uses the new experimental model to serve general user requests.New one model can serve user requests at a time.The company must measure the performance of the new experimental model without affecting the current live traffic.Which solution will meet these requirements?Read More →

How can the database specialist minimize the performance degradation after failover?

2026-03-31
By:
In: DBS-C01
With: 2 Comments

A company is using an Amazon Aurora PostgreSQL DB cluster for the backend of its mobile application.The application is running continuously and a database specialist is satisfied with high availability and fast failover, but is concerned about performance degradation after failover.How can the database specialist minimize the performance degradation after failover?Read More →

Which solution is the MOST operationally efficient way for the developer to receive approval from the product owner?

2026-03-31
By:
In: DVA-C02
With: 2 Comments

A developer needs approval from a product owner before the developer can deploy code for an application to production.The developer uses AWS CodePipeline to deploy the application.The developer configures an Amazon Simple Notification Service (Amazon SNS) topic to send notifications to the product owner.Which solution is the MOST operationally efficient way for the developer to receive approval from the product owner?Read More →

What is the MOST operationally efficient solution that meets these requirements?

2026-03-31
By:
In: DOP-C01
With: 2 Comments

A company is running a custom-built application that processes records.All the components run on Amazon EC2 instances that run in an Auto Scaling group.Each record’s processing is a multistep sequential action that is compute-intensive.Each step is always completed in 5 minutes or less.A limitation of the current system is that if any steps fail, the application has to reprocess the record from the beginning.The company wants to update the architecture so that the application must reprocess only the failed steps.What is the MOST operationally efficient solution that meets these requirements?Read More →

Which solution will resolve the issue?

2026-03-31
By:
In: DOP-C02
With: 2 Comments

A DevOps team has created a Custom Lambda rule in AWS Config.The rule monitors Amazon Elastic Container Repository (Amazon ECR) policy statements for ecr:* actions.When a noncompliant repository is detected, Amazon EventBridge uses Amazon Simple Notification Service (Amazon SNS) to route the notification to a security team.When the custom AWS Config rule is evaluated, the AWS Lambda function fails to run.Which solution will resolve the issue?Read More →

Which would enable the collection of this data MOST cost effectively?

2026-03-31
By:
In: SAP-C01
With: 2 Comments

A company is migrating to the cloud.It wants to evaluate the configurations of virtual machines in its existing data center environment to ensure that it can size new Amazon EC2 instances accurately.The company wants to collect metrics, such as CPU, memory, and disk utilization, and it needs an inventory of what processes are running on each instance.The company would also like to monitor network connections to map communications between servers.Which would enable the collection of this data MOST cost effectively?Read More →

What should a security engineer do to configure access to these EC2 instances to meet these requirements?

2026-03-31
By:
In: SCS-C01
With: 2 Comments

A company wants to prevent SSH access through the use of SSH key pairs for any Amazon Linux 2 Amazon EC2 instances in its AWS account.However, a system administrator occasionally will need to access these EC2 instances through SSH in an emergency.For auditing purposes, the company needs to record any commands that a user runs in an EC2 instance.What should a security engineer do to configure access to these EC2 instances to meet these requirements?Read More →

Which combination of actions should a solutions architect recommend to meet these requirements?

2026-03-31
By:
In: SAA-C03
With: 2 Comments

A company wants to move from many standalone AWS accounts to a consolidated, multi-account architecture.The company plans to create many new AWS accounts for different business units.The company needs to authenticate access to these AWS accounts by using a centralized corporate directory service.Which combination of actions should a solutions architect recommend to meet these requirements? (Choose two.)Read More →