How can the company implement the testing model with the LEAST amount of operational overhead?

2025-10-03
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In: MLS-C01
With: 1 Comment

A telecommunications company is developing a mobile app for its customers.The company is using an Amazon SageMaker hosted endpoint for machine learning model inferences.Developers want to introduce a new version of the model for a limited number of users who subscribed to a preview feature of the app.After the new version of the model is tested as a preview, developers will evaluate its accuracy.If a new version of the model has better accuracy, developers need to be able to gradually release the new version for all users over a fixed period of time.How can the company implement the testing model with the LEAST amount of operational overhead?Read More →

Which coding practice can preserve both the original input and the error for the state?

2025-10-03
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In: DVA-C01
With: 1 Comment

A company is developing a report implemented using AWS Step Functions.Amazon CloudWatch shows errors in the Step Functions task state machine.To troubleshoot each task, the state input needs to be included along with the error message in the state output.Which coding practice can preserve both the original input and the error for the state?Read More →

Which combination of steps will meet these requirements with the LEAST operational overhead?

2025-10-03
By:
In: SAP-C02
With: 1 Comment

A company operates a static content distribution platform that serves customers globally.The customers consume content from their own AWS accounts.The company serves its content from an Amazon S3 bucket.The company uploads the content from its on-premises environment to the S3 bucket by using an S3 File Gateway.The company wants to improve the platform’s performance and reliability by serving content from the AWS Region that is geographically closest to customers.The company must route the on-premises data to Amazon S3 with minimal latency and without public internet exposure.Which combination of steps will meet these requirements with the LEAST operational overhead? (Choose two.)Read More →

How can the security engineer implement this solution?

2025-10-03
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In: SCS-C01
With: 1 Comment

A company is implementing a new application in a new AWS account.A VPC and subnets have been created for the application.The application has been peered to an existing VPC in another account in the same AWS Region for database access.Amazon EC2 instances will regularly be created and terminated in the application VPC, but only some of them will need access to the databases in the peered VPC over TCP port 1521.A security engineer must ensure that only theEC2 instances than need access to the databases can access them through the network.How can the security engineer implement this solution?Read More →

What combination of conditions should the endpoint meet to pass the Route 53 health check?

2025-10-03
By:
In: SAP-C01
With: 1 Comment

A company has a web service deployed in the following two AWS Regions: us-west-2 and us-est-1.Each AWS region runs an identical version of the web service.Amazon Route 53 is used to route customers to the AWS Region that has the lowest latency.The company wants to improve the availability of the web service in case an outage occurs in one of the two AWS Regions.A Solutions Architect has recommended that a Route 53 health check be performed.The health check must detect a specific text on an endpoint.What combination of conditions should the endpoint meet to pass the Route 53 health check? (Choose two.)Read More →

What should a SysOps administrator do to meet these requirements?

2025-10-03
By:
In: SOA-C02
With: 1 Comment

A company needs to deploy instances of an application and associated infrastructure to multiple AWS Regions.The company wants to use a single AWS CloudFormation template to achieve this goal.The company uses AWS Organizations and wants to administer and run this template from a central administration account.What should a SysOps administrator do to meet these requirements?Read More →

How can log collection be automated?

2025-10-03
By:
In: DOP-C01
With: 1 Comment

A developer is maintaining a fleet of 50 Amazon EC2 Linux servers.The servers are part of an Amazon EC2 Auto Scaling group, and also use Elastic Load Balancing for load balancing.Occasionally, some application servers are being terminated after failing ELB HTTP health checks.The developer would like to perform a root cause analysis on the issue, but before being able to access application logs, the server is terminated.How can log collection be automated?Read More →

What should a database specialist do to resolve this issue?

2025-10-03
By:
In: DBS-C01
With: 1 Comment

A company hosts an internal file-sharing application running on Amazon EC2 instances in VPC_A.This application is backed by an Amazon ElastiCache cluster, which is in VPC_B and peered with VPC_A.The company migrates its application instances from VPC_A to VPC_B.Logs indicate that the file-sharing application no longer can connect to the ElastiCache cluster.What should a database specialist do to resolve this issue?Read More →