Assuming that resources are deployed in multiple Availability Zones in a single Region, which solution will meet these requirements?

2026-03-26
By:
In: SAP-C02
With: 2 Comments

A company is developing a new service that will be accessed using TCP on a static port.A solutions architect must ensure that the service is highly available, has redundancy across Availability Zones, and is accessible using the DNS name my.service.com, which is publicly accessible.The service must use fixed address assignments so other companies can add the addresses to their allow lists.Assuming that resources are deployed in multiple Availability Zones in a single Region, which solution will meet these requirements?Read More →

Which process will improve the testing accuracy the MOST?

2026-03-26
By:
In: MLS-C01
With: 2 Comments

A global financial company is using machine learning to automate its loan approval process.The company has a dataset of customer information.The dataset contains some categorical fields, such as customer location by city and housing status.The dataset also includes financial fields in different units, such as account balances in US dollars and monthly interest in US cents.The company’s data scientists are using a gradient boosting regression model to infer the credit score for each customer.The model has a training accuracy of99% and a testing accuracy of 75%.The data scientists want to improve the model’s testing accuracy.Which process will improve the testing accuracy the MOST?Read More →

What should a solutions architect recommend to ensure the application is able to handle the workload and avoid downtime?

2026-03-26
By:
In: SAA-C02
With: 2 Comments

A company’s application runs on Amazon EC2 instances behind an Application Load Balancer (ALB).The instances run in an Amazon EC2 Auto Scaling group across multiple Availability Zones.On the first day of every month at midnight, the application becomes much slower when the month-end financial calculation batch executes.This causes the CPU utilization of the EC2 instances to immediately peak to 100%, which disrupts the application.What should a solutions architect recommend to ensure the application is able to handle the workload and avoid downtime?Read More →

How should a database specialist configure the DynamoDB table’s capacity to meet these requirements MOST cost-effectively?

2026-03-26
By:
In: DBS-C01
With: 2 Comments

A company has an application that uses an Amazon DynamoDB table as its data store.During normal business days, the throughput requirements from the application are uniform and consist of 5 standard write calls per second to the DynamoDB table.Each write call has 2 KB of data.For 1 hour each day, the company runs an additional automated job on the DynamoDB table that makes 20 write requests per second.No other application writes to the DynamoDB table.The DynamoDB table does not have to meet any additional capacity requirements.How should a database specialist configure the DynamoDB table’s capacity to meet these requirements MOST cost-effectively?Read More →

Which set of additional actions should the DevOps engineer take to meet these requirements?

2026-03-26
By:
In: DOP-C02
With: 2 Comments

A company plans to use Amazon CloudWatch to monitor its Amazon EC2 instances.The company needs to stop EC2 instances when the average of the NetworkPacketsIn metric is less than 5 for at least 3 hours in a 12-hour time window.The company must evaluate the metric every hour.The EC2 instances must continue to run if there is missing data for the NetworkPacketsIn metric during the evaluation period.A DevOps engineer creates a CloudWatch alarm for the NetworkPacketsIn metric.The DevOps engineer configures a threshold value of 5 and an evaluation period of 1 hour.Which set of additional actions should the DevOps engineer take to meet these requirements?Read More →