What should a solutions architect do to improve the application performance?

2026-04-06
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In: SAA-C02
With: 2 Comments

A company is running a multi-tier ecommerce web application in the AWS Cloud.The application runs on Amazon EC2 Instances with an Amazon RDS MySQLMulti-AZ DB instance.Amazon RDS is configured with the latest generation instance with 2,000 GB of storage in a General Purpose SSD (gp3) Amazon ElasticBlock Store (Amazon EBS) volume.The database performance affects the application during periods of high demand.A database administrator analyzes the logs in Amazon CloudWatch Logs and discovers that the application performance always degrades when the number of read and write IOPS is higher than 20,000.What should a solutions architect do to improve the application performance?Read More →

Which combination of actions must the application development team take to meet these requirements?

2026-04-06
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In: DBS-C01
With: 2 Comments

A company’s application development team wants to share an automated snapshot of its Amazon RDS database with another team.The database is encrypted with a custom AWS Key Management Service (AWS KMS) key under the “WeShare” AWS account.The application development team needs to share the DB snapshot under the “WeReceive” AWS account.Which combination of actions must the application development team take to meet these requirements? (Choose two.)Read More →

What should the SysOps administrator do to meet these requirements in the MOST operationally efficient way?

2026-04-06
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In: SOA-C02
With: 2 Comments

A company runs an application on Amazon EC2 instances behind an Application Load Balancer.The EC2 instances are in an Auto Scaling group.The application sometimes becomes slow and unresponsive.Amazon CloudWatch metrics show that some EC2 instances are experiencing high CPU load.A SysOps administrator needs to create a CloudWatch dashboard that can automatically display CPU metrics of all the EC2 instances.The metrics must include new instances that are launched as part of the Auto Scaling group.What should the SysOps administrator do to meet these requirements in the MOST operationally efficient way?Read More →

Which solution will meet these requirements?

2026-04-06
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In: SCS-C01
With: 2 Comments

A security engineer for a company wants to maintain all IAM users and roles according to the principle of least privilege.The security engineer plans to audit the IAM permissions once every 365 days.The security engineer must view the permissions that each IAM identity used in the last 365 days and must remove any unused permissions.Which solution will meet these requirements?Read More →

Which solution will meet these requirements MOST cost-effectively?

2026-04-06
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In: DVA-C01
With: 2 Comments

A developer is creating a serverless orchestrator that performs a series of steps to processes incoming IoT data.The orchestrator transforms the data, performs a series of calculations, and stores the results in Amazon DynamoDB.The entire process is completed in less than a minute.The orchestrator must process tens of thousands of transactions each second.The orchestrator must not miss a transaction and must process each transaction at least once.Which solution will meet these requirements MOST cost-effectively?Read More →

Which architecture should the Data Scientist use to build this solution?

2026-04-06
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In: MLS-C01
With: 2 Comments

A Data Scientist needs to migrate an existing on-premises ETL process to the cloud.The current process runs at regular time intervals and uses PySpark to combine and format multiple large data sources into a single consolidated output for downstream processing.The Data Scientist has been given the following requirements to the cloud solution:✑ Combine multiple data sources.✑ Reuse existing PySpark logic.✑ Run the solution on the existing schedule.✑ Minimize the number of servers that will need to be managed.Which architecture should the Data Scientist use to build this solution?Read More →

Which solution meets these requirements?

2026-04-06
By:
In: SAA-C02
With: 2 Comments

A company is preparing to launch a public-facing web application in the AWS Cloud.The architecture consists of Amazon EC2 instances within a VPC behind anElastic Load Balancer (ELB).A third party service is used for the DNS.The company’s solutions architect must recommend a solution to detect and protect against largescale DDoS attacks.Which solution meets these requirements?Read More →

How should the database administrator remediate this issue at the lowest cost?

2026-04-06
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In: DBS-C01
With: 2 Comments

An online gaming company is using an Amazon DynamoDB table in on-demand mode to store game scores.After an intensive advertisement campaign in SouthAmerica, the average number of concurrent users rapidly increases from 100,000 to 500,000 in less than 10 minutes every day around 5 PM.The on-call software reliability engineer has observed that the application logs contain a high number of DynamoDB throttling exceptions caused by game score insertions around 5 PM.Customer service has also reported that several users are complaining about their scores not being registered.How should the database administrator remediate this issue at the lowest cost?Read More →