Solutions Architect Professional (Page 66)

A company is deploying a new web-based application and needs a storage solution for the Linux application servers.The company wants to create a single location for updates to application data for all instances.The active dataset will be up to 100 GB in size.A solutions architect has determined that peak operations will occur for 3 hours daily and will require a total of 225 MiBps of read throughput.The solutions architect must design a Multi-AZ solution that makes a copy of the data available in another AWS Region for disaster recovery (DR).The DR copy has an RPO of less than 1 hour.Which solution will meet these requirements?Read More →

If I write the below command, what does it do?ec2-run ami-e3a5408a -n 20 -g appserverRead More →

A company is using a single AWS Region for its ecommerce website.The website includes a web application that runs on several Amazon EC2 instances behind an Application Load Balancer (ALB).The website also includes an Amazon DynamoDB table.A custom domain name in Amazon Route 53 is linked to the ALB.The company created an SSL/TLS certificate in AWS Certificate Manager (ACM) and attached the certificate to the ALB.The company is not using a content delivery network as part of its design.The company wants to replicate its entire application stack in a second Region to provide disaster recovery, plan for future growth, and provide improved access time to users.A solutions architect needs to implement a solution that achieves these goals and minimizes administrative overhead.Which combination of steps should the solutions architect take to meet these requirements? (Choose three.)Read More →

The ________ service is targeted at organizations with multiple users or systems that use AWS products such as Amazon EC2, Amazon SimpleDB, and the AWSManagement Console.Read More →

A utility company wants to collect usage data every 5 minutes from its smart meters to facilitate time-of-use metering.When a meter sends data to AWS, the data is sent to Amazon API Gateway, processed by an AWS Lambda function.and stored in an Amazon DynamoDB table.During the pilot phase, the Lambda functions took from 3 to 5 seconds to complete.As more smart meters are deployed, the engineers notice the Lambda functions are taking from 1 to 2 minutes to complete.The functions are also increasing in duration as new types of metrics are collected from the devices.There are many ProvisionedThroughputExceededException errors while performing PUT operations on DynamoDB, and there are also many TooManyRequestsException errors from Lambda.Which combination of changes will resolve these issues? (Choose two.)Read More →

By default, Amazon Cognito maintains the last-written version of the data.You can override this behavior and resolve data conflicts programmatically.In addition, push synchronization allows you to use Amazon Cognito to send a silent notification to all devices associated with an identity to notify them that new data is available.Read More →

A company is migrating its on-premises IoT platform to AWS.The platform consists of the following components:• A MongoDB cluster as a data store for all collected and processed IoT data.• An application that uses Message Queuing Telemetry Transport (MQTT) to connect to IoT devices every 5 minutes to collect data.• An application that runs jobs periodically to generate reports from the IoT data.The jobs take 120-600 seconds to finish running.• A web application that runs on a web server.End users use the web application to generate reports that are accessible to the general public.The company needs to migrate the platform to AWS to reduce operational overhead while maintaining performance.Which combination of steps will meet these requirements with the LEAST operational overhead? (Choose three.)Read More →

You want to use AWS CodeDeploy to deploy an application to Amazon EC2 instances running within an Amazon Virtual Private Cloud (VPC).What criterion must be met for this to be possible?Read More →

A company has deployed applications to thousands of Amazon EC2 instances in an AWS account.A security audit discovers that several unencrypted Amazon Elastic Block Store (Amazon EBS) volumes are attached to the EC2 instances.The company’s security policy requires the EBS volumes to be encrypted.The company needs to implement an automated solution to encrypt the EBS volumes.The solution also must prevent development teams from creating unencrypted EBS volumes.Which solution will meet these requirements?Read More →

A company is planning to set up a REST API application on AWS.The application team wants to set up a new identity store on AWS.The IT team does not want to maintain any infrastructure or servers for this deployment.What is the MOST operationally efficient solution that meets these requirements?Read More →