Which data sources should the data scientist use to augment the dataset of reviews?

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

A retail company is selling products through a global online marketplace.The company wants to use machine learning (ML) to analyze customer feedback and identify specific areas for improvement.A developer has built a tool that collects customer reviews from the online marketplace and stores them in an Amazon S3 bucket.This process yields a dataset of 40 reviews.A data scientist building the ML models must identify additional sources of data to increase the size of the dataset.Which data sources should the data scientist use to augment the dataset of reviews? (Choose three.)Read More →

If the user launches a new instance inEurope from the AMI #1 copy, which of the below mentioned statements is true?

2025-10-01
By:
In: SOA-C01
With: 1 Comment

A user has launched an EC2 instance store backed instance in the US-East-1a zone.The user created AMI #1 and copied it to the Europe region.After that, the user made a few updates to the application running in the US-East-1a zone.The user makes an AMI#2 after the changes.If the user launches a new instance inEurope from the AMI #1 copy, which of the below mentioned statements is true?Read More →

Which AWS service or feature can the company use to reduce the database response time to microseconds?

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

A company has a virtual reality (VR) game.The game has a serverless backend that consists of Amazon API Gateway, AWS Lambda, and Amazon DynamoDB.Recently, the company noticed a sudden increase of new users globally.The company also noticed delays in the retrieval of user data.Which AWS service or feature can the company use to reduce the database response time to microseconds?Read More →

Which reason explains why the EC2 instances that use the frontend-instance-role stopped sending logs to CloudWatch Logs?

2025-10-01
By:
In: SCS-C01
With: 1 Comment

A company has deployed workloads in multiple AWS accounts that are all within a single organization in AWS Organizations.The company is using Amazon CloudWatch Logs to implement a new logging solution.The company runs a workload on Amazon EC2 instances that are in an account within the organization.The company has installed the CloudWatch agent on each workload instance and has configured the agent identically on each instance.The configuration specifies that application logs will be forwarded to CloudWatch Logs.The workload VPC has both public and private subnet tiers.The EC2 instances that are in the public subnets have the frontend-instance-role IAM role attached.The EC2 instances that are in the private subnets have the backend-instance-role IAM role attached.The workload uses VPC endpoints to communicate with various AWS services.Recently, log records from instances that use the frontend-instance-role role stopped appearing in CloudWatch Logs.CloudWatch Logs still receives log files from instances that use the backend-instance-role role.Which reason explains why the EC2 instances that use the frontend-instance-role stopped sending logs to CloudWatch Logs?Read More →

Which combination of actions will meet these requirements?

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

A company manages an on-premises JavaScript front-end web application.The application is hosted on two servers secured with a corporate Active Directory.The application calls a set of Java-based microservices on an application server and stores data in a clustered MySQL database.The application is heavily used during the day on weekdays.It is lightly used during the evenings and weekends.Daytime traffic to the application has increased rapidly, and reliability has diminished as a result.The company wants to migrate the application to AWS with a solution that eliminates the need for server maintenance, with an API to securely connect to the microservices.Which combination of actions will meet these requirements? (Choose three.)Read More →

Which solution will meet these requirements?

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

A company is using an Amazon API Gateway API and an AWS Lambda function to host a microservice.The microservice accesses pricing data in an Amazon DynamoDB table for the company’s online store.Interest in the online store has increased.As a result, latency issues and throttling on the DynamoDB table are occurring when a specific query runs.Some internal services access the DynamoDB table directly.No caching is enabled for the current solution.A DevOps engineer notices that repeat requests to the API are taking the same amount of time as unique requests.The DevOps engineer must reduce the latency for the repeat requests to the API and must reduce the throttling on the DynamoDB table.Which solution will meet these requirements?Read More →

Which actions should the database specialist take to meet these requirements?

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

A healthcare company is running an application on Amazon EC2 in a public subnet and using Amazon DocumentDB (with MongoDB compatibility) as the storage layer.An audit reveals that the traffic between the application and Amazon DocumentDB is not encrypted and that the DocumentDB cluster is not encrypted at rest.A database specialist must correct these issues and ensure that the data in transit and the data at rest are encrypted.Which actions should the database specialist take to meet these requirements? (Choose two.)Read More →

What should a solutions architect recommend?

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

A company is designing an internet-facing web application.The application runs on Amazon EC2 for Linux-based instances that store sensitive user data inAmazon RDS MySQL Multi-AZ DB instances.The EC2 instances are in public subnets, and the RDS DB instances are in private subnets.The security team has mandated that the DB instances be secured against web-based attacks.What should a solutions architect recommend?Read More →

Which approach would MOST effectively address this issue?

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

A telecommunications company has deployed a machine learning model using Amazon SageMaker.The model identifies customers who are likely to cancel their contract when calling customer service.These customers are then directed to a specialist service team.The model has been trained on historical data from multiple years relating to customer contracts and customer service interactions in a single geographic region.The company is planning to launch a new global product that will use this model.Management is concerned that the model might incorrectly direct a large number of calls from customers in regions without historical data to the specialist service team.Which approach would MOST effectively address this issue?Read More →