Which solution will meet these requirements MOST cost-effectively?

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

An Amazon API Gateway API invokes an AWS Lambda function that needs to interact with a software-as-a-service (SaaS) platform.A unique client token is generated in the SaaS platform to grant access to the Lambda function.A security engineer needs to design a solution to encrypt the access token at rest and pass the token to the Lambda function at runtime.Which solution will meet these requirements MOST cost-effectively?Read More →

Which solution will meet these requirements?

2026-03-31
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In: SAP-C02
With: 2 Comments

A company is deploying a distributed in-memory database on a fleet of Amazon EC2 instances.The fleet consists of a primary node and eight worker nodes.The primary node is responsible for monitoring cluster health, accepting user requests, distributing user requests to worker nodes, and sending an aggregate response back to a client.Worker nodes communicate with each other to replicate data partitions.The company requires the lowest possible networking latency to achieve maximum performance.Which solution will meet these requirements?Read More →

What should be done to accomplish this?

2026-03-31
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In: SOA-C01
With: 2 Comments

A SysOps Administrator is using AWS KMS with AWS-generated key material to encrypt an Amazon EBS volume in a company’s AWS environment.TheAdministrator wants to rotate the KMS keys using automatic key rotation, and needs to ensure that the EBS volume encrypted with the current key remains readable.What should be done to accomplish this?Read More →

Which combination of steps must the data scientist take to perform the A/B testing?

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

A company’s data scientist has trained a new machine learning model that performs better on test data than the company’s existing model performs in the production environment.The data scientist wants to replace the existing model that runs on an Amazon SageMaker endpoint in the production environment.However, the company is concerned that the new model might not work well on the production environment data.The data scientist needs to perform A/B testing in the production environment to evaluate whether the new model performs well on production environment data.Which combination of steps must the data scientist take to perform the A/B testing? (Choose two.)Read More →

Which combination of AWS services will meet these requirements?

2026-03-31
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In: SAA-C02
With: 2 Comments

A company is developing a serverless web application that gives users the ability to interact with real-time analytics from online games.The data from the games must be streamed in real life.The company needs a durable, low-latency database option for user data.The company does not know how many users will use the application.Any design considerations must provide response times of single-digit milliseconds as the application scales.Which combination of AWS services will meet these requirements? (Choose two.)Read More →

Which solution will meet these requirements?

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

A database specialist is planning to migrate a MySQL database to Amazon Aurora.The database specialist wants to configure the primary DB cluster in the us-west-2 Region and the secondary DB cluster in the eu-west-1 Region.In the event of a disaster recovery scenario, the database must be available in eu-west-1 with an RPO of a few seconds.Which solution will meet these requirements?Read More →

Which solution will meet these requirements?

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

A developer is preparing to begin development of a new version of an application.The previous version of the application is deployed in a production environment.The developer needs to deploy fixes and updates to the current version during the development of the new version of the application.The code for the new version of the application is stored in AWS CodeCommit.Which solution will meet these requirements?Read More →