Which solution should the company use to evaluate and improve the performance of the models?

2025-10-02
By:
In: MLS-C01
With: 1 Comment

An automotive company is using computer vision in its autonomous cars.The company has trained its models successfully by using transfer learning from a convolutional neural network (CNN).The models are trained with PyTorch through the use of the Amazon SageMaker SDK.The company wants to reduce the time that is required for performing inferences, given the low latency that is required for self-driving.Which solution should the company use to evaluate and improve the performance of the models?Read More →

What are possible causes for this problem?

2025-10-02
By:
In: SOA-C01
With: 1 Comment

A company is managing a website with a global user base hosted on Amazon EC2 with an Application Load Balancer (ALB).To reduce the load on the web servers, a SysOps administrator configures an Amazon CloudFront distribution with the ALB as the origin.After a week of monitoring the solution, the administrator notices that requests are still being served by the ALB and there is no change in the web server load.What are possible causes for this problem? (Choose two.)Read More →

How can a developer implement the required time measurement and notification with the LEAST operational overhead?

2025-10-02
By:
In: DVA-C01
With: 1 Comment

A company deploys a photo-processing application to an Amazon EC2 instance The application needs to process each photo in less than 5 seconds. If processing takes longer than 5 seconds, the company’s development team must receive a notification.How can a developer implement the required time measurement and notification with the LEAST operational overhead?Read More →

Which solution is MOST cost-effective?

2025-10-02
By:
In: SAP-C01
With: 1 Comment

A company runs a memory-intensive analytics application using on-demand Amazon EC2 C5 compute optimized instance.The application is used continuously and application demand doubles during working hours.The application currently scales based on CPU usage.When scaling in occurs, a lifecycle hook is used because the instance requires 4 minutes to clean the application state before terminating.Because users reported poor performance during working hours, scheduled scaling actions were implemented so additional instances would be added during working hours.The Solutions Architect has been asked to reduce the cost of the application.Which solution is MOST cost-effective?Read More →

What is the reason for this issue?

2025-10-02
By:
In: SOA-C02
With: 1 Comment

A SysOps administrator uses AWS Systems Manager Session Manager to connect to instances.After the SysOps administrator launches a new Amazon EC2 instance, the EC2 instance does not appear in the Session Manager list of systems that are available for connection.The SysOps administrator verifies that Systems Manager Agent is installed, updated, and running on the EC2 instance.What is the reason for this issue?Read More →

Which combination of actions will meet these requirements?

2025-10-02
By:
In: DOP-C01
With: 1 Comment

A DevOps engineer notices that all Amazon EC2 instances running behind an Application Load Balancer in an Auto Scaling group are failing to respond to user requests.The EC2 instances are also failing target group HTTP health checks.Upon inspection, the engineer notices the application process was not running in any EC2 instances.There are a significant number of out of memory messages in the system logs.The engineer needs to improve the resilience of the application to cope with a potential application memory leak.Monitoring and notifications should be enabled to alert when there is an issue.Which combination of actions will meet these requirements? (Choose two.)Read More →

Which solution addresses these requirements?

2025-10-02
By:
In: DBS-C01
With: 1 Comment

A financial company wants to store sensitive user data in an Amazon Aurora PostgreSQL DB cluster.The database will be accessed by multiple applications across the company.The company has mandated that all communications to the database be encrypted and the server identity must be validated.Any non-SSL- based connections should be disallowed access to the database.Which solution addresses these requirements?Read More →