What approach will result in the simplest, decoupled, and reliable method to get near-real time updates from the Accounts database?

2026-04-02
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In: DVA-C01
With: 2 Comments

In a move toward using microservices, a company’s management team has asked all development teams to build their services so that API requests depend only on that service’s data store.One team is building a Payments service which has its own database; the service needs data that originates in the Accounts database.Both are using Amazon DynamoDB.What approach will result in the simplest, decoupled, and reliable method to get near-real time updates from the Accounts database?Read More →

Which approach will maximize transcription accuracy during the development phase?

2026-04-02
By:
In: MLS-C01
With: 2 Comments

A company wants to use automatic speech recognition (ASR) to transcribe messages that are less than 60 seconds long from a voicemail-style application.The company requires the correct identification of 200 unique product names, some of which have unique spellings or pronunciations.The company has 4,000 words of Amazon SageMaker Ground Truth voicemail transcripts it can use to customize the chosen ASR model.The company needs to ensure that everyone can update their customizations multiple times each hour.Which approach will maximize transcription accuracy during the development phase?Read More →

How should the solutions architect design the solution?

2026-04-02
By:
In: SAA-C02
With: 2 Comments

A company wants to build an online marketplace application on AWS as a set of loosely coupled microservices.For this application, when a customer submits a new order, two microservices should handle the event simultaneously.The Email microservice will send a confirmation email, and the OrderProcessing microservice will start the order delivery process.If a customer cancels an order, the OrderCancellation and Email microservices should handle the event simultaneously.A solutions architect wants to use Amazon Simple Queue Service (Amazon SQS) and Amazon Simple Notification Service (Amazon SNS) to design the messaging between the microservices.How should the solutions architect design the solution?Read More →

Which solution should the database specialist recommend?

2026-04-02
By:
In: DBS-C01
With: 2 Comments

A financial services company has an application deployed on AWS that uses an Amazon Aurora PostgreSQL DB cluster.A recent audit showed that no log files contained database administrator activity.A database specialist needs to recommend a solution to provide database access and activity logs.The solution should use the least amount of effort and have a minimal impact on performance.Which solution should the database specialist recommend?Read More →

What should a developer do to resolve the errors?

2026-04-02
By:
In: DVA-C02
With: 2 Comments

An ecommerce website uses an AWS Lambda function and an Amazon RDS for MySQL database for an order fulfillment service.The service needs to return order confirmation immediately.During a marketing campaign that caused an increase in the number of orders, the website’s operations team noticed errors for “too many connections” from Amazon RDS.However, the RDS DB cluster metrics are healthy.CPU and memory capacity are still available.What should a developer do to resolve the errors?Read More →

The API stack contains the following three tiers:• Amazon API Gateway• AWS Lambda• Amazon DynamoDBWhich solution will meet the requirements?

2026-04-02
By:
In: DOP-C01
With: 2 Comments

A company is implementing a well-architected design for its globally accessible API stack.The design needs to ensure both high reliability and fast response times for users located in North America and Europe.The API stack contains the following three tiers:• Amazon API Gateway• AWS Lambda• Amazon DynamoDBWhich solution will meet the requirements?Read More →

Which solution will meet these requirements?

2026-04-02
By:
In: SOA-C02
With: 2 Comments

A company has an application that collects notifications from thousands of alarm systems.The notifications include alarm notifications and information notifications.The information notifications include the system arming processes, disarming processes, and sensor status.All notifications are kept as messages in an Amazon Simple Queue Service (Amazon SQS) queue.Amazon EC2 instances that are in an Auto Scaling group process the messages.A SysOps administrator needs to implement a solution that prioritizes alarm notifications over information notifications.Which solution will meet these requirements?Read More →