A company is using AWS CloudFormation templates to deploy AWS resources.The company needs to update one of its AWS CloudFormation stacks.What can the company do to find out how the changes will impact the resources that are running?Read More →
Which tasks are the responsibility of AWS, according to the AWS shared responsibility model? (Choose two.)Read More →
A company is deploying a web service to Amazon EC2 instances behind an Elastic Load Balancer.All resources will be defined and created in a single AWSCloudFormation stack using a template.The creation of each EC2 instance will not be considered complete until an initialization script has been run successfully on the EC2 instance.The Elastic Load Balancer cannot be created until all EC2 instances have been created.Which CloudFormation resource will coordinate the Elastic Load Balancer creation in the CloudFormation stack template?Read More →
A Machine Learning Specialist is building a logistic regression model that will predict whether or not a person will order a pizza.The Specialist is trying to build the optimal model with an ideal classification threshold.What model evaluation technique should the Specialist use to understand how different classification thresholds will impact the model’s performance?Read More →
A company copies 200 TB of data from a recent ocean survey onto AWS Snowball Edge Storage Optimized devices.The company has a high performance computing (HPC) cluster that is hosted on AWS to look for oil and gas deposits.A solutions architect must provide the cluster with consistent sub-millisecond latency and high-throughput access to the data on the Snowball Edge Storage Optimized devices.The company is sending the devices back to AWS.Which solution will meet these requirements?Read More →
A Database Specialist is performing a proof of concept with Amazon Aurora using a small instance to confirm a simple database behavior.When loading a large dataset and creating the index, the Database Specialist encounters the following error message from Aurora:ERROR: cloud not write block 7507718 of temporary file: No space left on deviceWhat is the cause of this error and what should the Database Specialist do to resolve this issue?Read More →
A developer is designing a serverless application with two AWS Lambda functions to process photos.One Lambda function stores objects in an Amazon S3 bucket and stores the associated metadata in an Amazon DynamoDB table.The other Lambda function fetches the objects from the S3 bucket by using the metadata from the DynamoDB table.Both Lambda functions use the same Python library to perform complex computations and are approaching the quota for the maximum size of zipped deployment packages.What should the developer do to reduce the size of the Lambda deployment packages with the LEAST operational overhead?Read More →
A company has developed a Node.js web application which provides REST services to store and retrieve time series data.The web application is built by the development team on company laptops, tested locally, and manually deployed to a single on-premises server, which accesses a local MySQL database.The company is starting a trial in two weeks, during which the application will undergo frequent updates based on customer feedback.The following requirements must be met:• The team must be able to reliably build, test, and deploy new updates on a daily basis, without downtime or degraded performance.• The application must be able to scale to meet an unpredictable number of concurrent users during the trial.Which action will allow the team to quickly meet these objectives?Read More →
A company runs several workloads on AWS.The company identifies five AWS Trusted Advisor service quota metrics to monitor in a specific AWS Region.The company wants to receive email notification each time resource usage exceeds 60% of one of the service quotas.Which solution will meet these requirements?Read More →
A company has an application behind a load balancer with enough Amazon EC2 instances to satisfy peak demand.Scripts and third-party deployment solutions are used to configure EC2 instances when demand increases or an instance fails.The team must periodically evaluate the utilization of the instance types to ensure that the correct sizes are deployed.How can this workload be optimized to meet these requirements?Read More →
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