Which prior probability distribution should the ML Specialist use for this variable?

2025-10-02
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In: MLS-C01
With: 1 Comment

A Machine Learning Specialist is implementing a full Bayesian network on a dataset that describes public transit in New York City.One of the random variables is discrete, and represents the number of minutes New Yorkers wait for a bus given that the buses cycle every 10 minutes, with a mean of 3 minutes.Which prior probability distribution should the ML Specialist use for this variable?Read More →

What do you need to do to ensure trial instances marked unhealthy by the ELB will be terminated and replaced?

2025-10-02
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In: SOA-C01
With: 1 Comment

You have an Auto Scaling group associated with an Elastic Load Balancer (ELB).You have noticed that instances launched via the Auto Scaling group are being marked unhealthy due to an ELB health check, but these unhealthy instances are not being terminated.What do you need to do to ensure trial instances marked unhealthy by the ELB will be terminated and replaced?Read More →

Which solution will meet these requirements?

2025-10-02
By:
In: SCS-C01
With: 1 Comment

A company deploys an application on AWS.The application recently uploaded confidential data to an Amazon S3 bucket outside the company.The company’s security team wants to prevent this scenario from occurring in the future.The company owns 100 different S3 buckets in various AWS accounts and uses AWS Organizations to manage the accounts.The security team must implement a solution that allows individual teams to create new S3 buckets.The solution must allow applications that are deployed on AWS to access only the S3 buckets that are deployed in the company’s organization.Which solution will meet these requirements?Read More →

Which strategy should the solutions architect provide to meet these requirements?

2025-10-02
By:
In: SAP-C01
With: 1 Comment

A large company recently experienced an unexpected increase in Amazon RDS and Amazon DynamoDB costs. The company needs to increase visibility into details of AWS Billing and Cost Management. There are various accounts associated with AWS Organizations, including many development and production accounts. There is no consistent tagging strategy across the organization, but there are guidelines in place that require all infrastructure to be deployed usingAWS CloudFormation with consistent tagging. Management requires cost center numbers and project ID numbers for all existing and future DynamoDB tables andRDS instances.Which strategy should the solutions architect provide to meet these requirements?Read More →

Which solution will meet these requirements?

2025-10-02
By:
In: DOP-C01
With: 1 Comment

A company has a data ingestion application that runs across multiple AWS accounts.The accounts are in an organization in AWS Organizations.The company needs to monitor the application and consolidate access to the application.Currently, the company is running the application on Amazon EC2 instances from several Auto Scaling groups.The EC2 instances have no access to the internet because the data is sensitive.Engineers have deployed the necessary VPC endpoints.The EC2 instances run a custom AMI that is built specifically for the application.To maintain and troubleshoot the application, system administrators need the ability to log in to the EC2 instances.This access must be automated and controlled centrally.The company’s security team must receive a notification whenever the instances are accessed.Which solution will meet these requirements?Read More →

What should the solutions architect recommend?

2025-10-02
By:
In: SAA-C02
With: 1 Comment

A company’s dynamic website is hosted using on-premises servers in the United States.The company is launching its product in Europe, and it wants to optimize site loading times for new European users.The site’s backend must remain in the United States.The product is being launched in a few days, and an immediate solution is needed.What should the solutions architect recommend?Read More →