Which change will meet these requirements?

2026-03-29
By:
In: SOA-C02
With: 2 Comments

An ecommerce company has built a web application that uses an Amazon Aurora DB cluster.The DB cluster includes memory optimized instance types with both a writer node and a reader node.Traffic volume changes throughout the day.During sudden traffic surges, Amazon CloudWatch metrics for the DB cluster indicate high RAM consumption and an increase in select latency.A SysOps administrator must implement a configuration change to improve the performance of the DB cluster.The change must minimize downtime and must not result in the loss of data.Which change will meet these requirements?Read More →

How should a solutions architect improve the CI/CD pipeline to reduce the likelihood that changes in the templates will cause downtime?

2026-03-29
By:
In: SAP-C01
With: 2 Comments

A company is using AWS CodePipeline for the CI/CD of an application to an Amazon EC2 Auto Scaling group.All AWS resources are defined in AWSCloudFormation templates.The application artifacts are stored in an Amazon S3 bucket and deployed to the Auto Scaling group using instance user data scripts.As the application has become more complex, recent resource changes in the CloudFormation templates have caused unplanned downtime.How should a solutions architect improve the CI/CD pipeline to reduce the likelihood that changes in the templates will cause downtime?Read More →

What is the MOST cost-effective way for the company to avoid Regional data transfer charges?

2026-03-29
By:
In: SAA-C03
With: 2 Comments

A company runs a highly available image-processing application on Amazon EC2 instances in a single VPC.The EC2 instances run inside several subnets across multiple Availability Zones.The EC2 instances do not communicate with each other.However, the EC2 instances download images from Amazon S3 and upload images to Amazon S3 through a single NAT gateway.The company is concerned about data transfer charges.What is the MOST cost-effective way for the company to avoid Regional data transfer charges?Read More →

Which strategy should the solutions architect use?

2026-03-29
By:
In: SAP-C02
With: 2 Comments

A company runs a proprietary stateless ETL application on an Amazon EC2 Linux instances.The application is a Linux binary, and the source code cannot be modified.The application is single-threaded, uses 2 GB of RAM, and is highly CPU intensive.The application is scheduled to run every 4 hours and runs for up to 20 minutes.A solutions architect wants to revise the architecture for the solution.Which strategy should the solutions architect use?Read More →

How can a developer increase the elasticity of the system MOST cost-effectively?

2026-03-29
By:
In: DVA-C01
With: 2 Comments

A company has point-of-sale devices across thousands of retail shops that synchronize sales transactions with a centralized system.The system includes anAmazon API Gateway API that exposes an AWS Lambda function.The Lambda function processes the transactions and stores the transactions in Amazon RDS for MySQL.The number of transactions increases rapidly during the day and is near zero at night.How can a developer increase the elasticity of the system MOST cost-effectively?Read More →

Why is the Administrator unable to delete the bucket, and what must be done to accomplish this task?

2026-03-29
By:
In: SOA-C01
With: 2 Comments

A SysOps Administrator attempting to delete an Amazon S3 bucket ran the following command: aws s3 rb s3://my bucketThe command failed and bucket still exists.The administrator validated that no files existed in the bucket by running aws s3 1s s3://mybucket and getting an empty response.Why is the Administrator unable to delete the bucket, and what must be done to accomplish this task?Read More →

Which method should the Specialist try to improve model performance?

2026-03-29
By:
In: MLS-C01
With: 2 Comments

A Machine Learning Specialist deployed a model that provides product recommendations on a company’s website.Initially, the model was performing very well and resulted in customers buying more products on average.However, within the past few months, the Specialist has noticed that the effect of product recommendations has diminished and customers are starting to return to their original habits of spending less.The Specialist is unsure of what happened, as the model has not changed from its initial deployment over a year ago.Which method should the Specialist try to improve model performance?Read More →