Why does the XGBoost model NOT meet the current requirements, and how can this be fixed?

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

An ecommerce company sends a weekly email newsletter to all of its customers.Management has hired a team of writers to create additional targeted content.A data scientist needs to identify five customer segments based on age, income, and location.The customers’ current segmentation is unknown.The data scientist previously built an XGBoost model to predict the likelihood of a customer responding to an email based on age, income, and location.Why does the XGBoost model NOT meet the current requirements, and how can this be fixed?Read More →

Which combination of actions should a solutions architect take to meet these requirements?

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

A company uses on-premises servers to host its applications.The company is running out of storage capacity.The applications use both block storage and NFS storage.The company needs a high-performing solution that supports local caching without re-architecting its existing applications.Which combination of actions should a solutions architect take to meet these requirements? (Choose two.)Read More →

What is the MOST operationally efficient solution to meet these requirements?

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

A company is running its production databases in a 3 TB Amazon Aurora MySQL DB cluster.The DB cluster is deployed to the us-east-1 Region.For disaster recovery (DR) purposes, the company’s database specialist needs to make the DB cluster rapidly available in another AWS Region to cover the production load with an RTO of less than 2 hours.What is the MOST operationally efficient solution to meet these requirements?Read More →

Which solution will meet these requirements?

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

A company stores its data in data tables in a series of Amazon S3 buckets.The company received an alert that customer credit card information might have been exposed in a data table on one of the company’s public applications.A developer needs to identify all potential exposures within the application environment.Which solution will meet these requirements?Read More →

Which of the following solution options BEST addresses the business need in the most cost-effective manner?

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

A Solutions Architect has been asked to look at a company’s Amazon Redshift cluster, which has quickly become an integral part of its technology and supports key business process. The Solutions Architect is to increase the reliability and availability of the cluster and provide options to ensure that if an issue arises, the cluster can either operate or be restored within four hours.Which of the following solution options BEST addresses the business need in the most cost-effective manner?Read More →

Which combination of steps must the security engineer take to meet these requirements?

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

A company wants to use AWS Systems Manager Patch Manager to patch Amazon EC2 instances that run Amazon Linux 2.The EC2 instances are running in a single AWS account.No internet connectivity is allowed from any EC2 instances in the account.A security engineer has configured the relevant settings in Patch Manager.The security engineer now needs to ensure that the EC2 instances can connect to the Systems Manager endpoint.Which combination of steps must the security engineer take to meet these requirements? (Choose three.)Read More →

Which solution meets these requirements in the MOST operationally efficient way?

2026-04-02
By:
In: SAA-C03
With: 2 Comments

A company uses AWS Organizations to run workloads within multiple AWS accounts.A tagging policy adds department tags to AWS resources when the company creates tags.An accounting team needs to determine spending on Amazon EC2 consumption.The accounting team must determine which departments are responsible for the costs regardless ofAWS account.The accounting team has access to AWS Cost Explorer for all AWS accounts within the organization and needs to access all reports from Cost Explorer.Which solution meets these requirements in the MOST operationally efficient way?Read More →

Which solution should provide the HIGHEST level of reliability?

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

An online retail company hosts its stateful web-based application and MySQL database in an on-premises data center on a single server.The company wants to increase its customer base by conducting more marketing campaigns and promotions.In preparation, the company wants to migrate its application and database to AWS to increase the reliability of its architecture.Which solution should provide the HIGHEST level of reliability?Read More →