Which type of pretraining bias did the ML specialist observe in the training dataset?

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

A banking company provides financial products to customers around the world.A machine learning (ML) specialist collected transaction data from internal customers.The ML specialist split the dataset into training, testing, and validation datasets.The ML specialist analyzed the training dataset by using Amazon SageMaker Clarify.The analysis found that the training dataset contained fewer examples of customers in the 40 to 55 year-old age group compared to the other age groups.Which type of pretraining bias did the ML specialist observe in the training dataset?Read More →

Which combination of steps should be taken to provide more visibility into the processes and queries running during an increase in CPU load?

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

A company has a database monitoring solution that uses Amazon CloudWatch for its Amazon RDS for SQL Server environment.The cause of a recent spike inCPU utilization was not determined using the standard metrics that were collected.The CPU spike caused the application to perform poorly, impacting users.ADatabase Specialist needs to determine what caused the CPU spike.Which combination of steps should be taken to provide more visibility into the processes and queries running during an increase in CPU load? (Choose two.)Read More →

Which deployment strategy will meet the requirements?

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

A retail company wants to use AWS Elastic Beanstalk to host its online sales website running on Java.Since this will be the production website the CTO has the following requirements for the deployment strategy:• Zero downtime.While the deployment is ongoing the current Amazon EC2 instances in service should remain in service.No deployment or any other action should be performed on the EC2 instances because they serve production traffic.• A new fleet of instances should be provisioned for deploying the new application version.• Once the new application version is deployed successfully in the new fleet of instances, the new instances should be placed in service and the old ones should be removed.• The rollback should be as easy as possible.If the new fleet of instances fails to deploy the new application version, they should be terminated and the current instances should continue serving traffic as normal.• The resources within the environment (EC2 Auto Scaling group, Elastic Load Balancing, Elastic Beanstalk DNS CNAME) should remain the same and no DNS change should be made.Which deployment strategy will meet the requirements?Read More →

What must the SysOps administrator do to meet this requirement?

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

A company uses a multi-account structure in the AWS Cloud.The company’s environment includes a shared account for common resources.The environment also includes a development account for new application development.The company uses Amazon Route 53 for DNS management.The company manages all its Route 53 hosted zones from the shared account.A SysOps administrator needs to obtain a new SSL/TLS certificate for an application that is deployed in the development account.What must the SysOps administrator do to meet this requirement?Read More →

Which solution meets these requirements?

2026-04-04
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In: SAP-C01
With: 2 Comments

A company is running a web application in the AWS Cloud.The application consists of dynamic content that is created on a set of Amazon EC2 instances.TheEC2 instances run in an Auto Scaling group that is configured as a target group for an Application Load Balancer (ALB).The company is using an Amazon CloudFront distribution to distribute the application globally.The CloudFront distribution uses the ALB as an origin.The company uses Amazon Route 53 for DNS and has created an A record of www.example.com for the CloudFront distribution.A solutions architect must configure the application so that itis highly available and fault tolerant.Which solution meets these requirements?Read More →

Which solution will meet these requirements with the FEWEST possible read capacity units (RCUs)?

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

A company is developing a microservice that will manage customer account data in an Amazon DynamoDB table.Insert, update, and delete requests will be rare.Read traffic will be heavy.The company must have the ability to access customer data quickly by using a customer ID.The microservice can tolerate stale data.Which solution will meet these requirements with the FEWEST possible read capacity units (RCUs)?Read More →