Which data visualization approach will MOST accurately determine the optimal value of k?

2026-04-03
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In: MLS-C01
With: 2 Comments

A company wants to segment a large group of customers into subgroups based on shared characteristics.The company’s data scientist is planning to use the Amazon SageMaker built-in k-means clustering algorithm for this task.The data scientist needs to determine the optimal number of subgroups (k) to use.Which data visualization approach will MOST accurately determine the optimal value of k?Read More →

Which solutions meet these requirements?

2026-04-03
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In: SAA-C02
With: 2 Comments

A solutions architect is designing a shared storage solution for a web application that is deployed across multiple Availability Zones.The web application runs onAmazon EC2 instances that are in an Auto Scaling group.The company plans to make frequent changes to the content.The solution must have strong consistency in returning the new content as soon as the changes occur.Which solutions meet these requirements? (Choose two.)Read More →

How should the Database Specialist edit the script to fix this issue?

2026-04-03
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In: DBS-C01
With: 2 Comments

A company is planning to close for several days.A Database Specialist needs to stop all applications along with the DB instances to ensure employees do not have access to the systems during this time.All databases are running on Amazon RDS for MySQL.The Database Specialist wrote and ran a script to stop all the DB instances.When reviewing the logs, the Database Specialist found that Amazon RDS DB instances with read replicas did not stop.How should the Database Specialist edit the script to fix this issue?Read More →

Which combination of access changes will meet these requirements?

2026-04-03
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In: DOP-C01
With: 2 Comments

A company has multiple child accounts that are part of an organization in AWS Organizations.The security team needs to review every Amazon EC2 security group and their inbound and outbound rules.The security team wants to programmatically retrieve this information from the child accounts using an AWS Lambda function in the management account of the organization.Which combination of access changes will meet these requirements? (Choose three.)Read More →

Which combination of steps should a SysOps administrator take to configure Route 53 to meet these requirements?

2026-04-03
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In: SOA-C02
With: 2 Comments

A global gaming company is preparing to launch a new game on AWS.The game runs in multiple AWS Regions on a fleet of Amazon EC2 instances.The instances are in an Auto Scaling group behind an Application Load Balancer (ALB) in each Region.The company plans to use Amazon Route 53 for DNS services.The DNS configuration must direct users to the Region that is closest to them and must provide automated failover.Which combination of steps should a SysOps administrator take to configure Route 53 to meet these requirements? (Choose two.)Read More →

How can the security engineer improve the security at the edge of the solution to defend against this type of attack?

2026-04-03
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In: SCS-C01
With: 2 Comments

A company has implemented AWS WAF and Amazon CloudFront for an application.The application runs on Amazon EC2 instances that are part of an AutoScaling group.The Auto Scaling group is behind an Application Load Balancer (ALB).The AWS WAF web ACL uses an AWS Managed Rules rule group and is associated with the CloudFront distribution.CloudFront receives the request from AWSWAF and the uses the ALB as the distribution’s origin.During a security review, a security engineer discovers that the infrastructure is susceptible to a large, layer 7 DDoS attack.How can the security engineer improve the security at the edge of the solution to defend against this type of attack?Read More →

Which solution will meet these requirements MOST cost-effectively?

2026-04-03
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In: SAP-C02
With: 2 Comments

A company is designing an AWS environment for a manufacturing application.The application has been successful with customers, and the application’s user base has increased.The company has connected the AWS environment to the company’s on-premises data center through a 1 Gbps AWS Direct Connect connection.The company has configured BGP for the connection.The company must update the existing network connectivity solution to ensure that the solution is highly available, fault tolerant, and secure.Which solution will meet these requirements MOST cost-effectively?Read More →

Which actions should the developer take to resolve this issue?

2026-04-03
By:
In: DVA-C01
With: 2 Comments

A developer has built an application that inserts data into an Amazon DynamoDB table.The table is configured to use provisioned capacity.The application is deployed on a burstable nano Amazon EC2 Instance.The application logs show that the application has been failing because of aProvisionedThroughputExceedException error.Which actions should the developer take to resolve this issue? (Choose two.)Read More →