Solutions Architect Professional (Page 19)

An administrator is using Amazon CloudFormation to deploy a three tier web application that consists of a web tier and application tier that will utilize AmazonDynamoDB for storage when creating the CloudFormation template.Which of the following would allow the application instance access to the DynamoDB tables without exposing API credentials?Read More →

A company migrated an application to the AWS Cloud.The application runs on two Amazon EC2 instances behind an Application Load Balancer (ALB).Application data is stored in a MySQL database that runs on an additional EC2 instance.The application’s use of the database is read-heavy.The application loads static content from Amazon Elastic Block Store (Amazon EBS) volumes that are attached to each EC2 instance.The static content is updated frequently and must be copied to each EBS volume.The load on the application changes throughout the day.During peak hours, the application cannot handle all the incoming requests.Trace data shows that the database cannot handle the read load during peak hours.Which solution will improve the reliability of the application?Read More →

You’ve been brought in as solutions architect to assist an enterprise customer with their migration of an e-commerce platform to Amazon Virtual Private Cloud(VPC) The previous architect has already deployed a 3-tier VPC.The configuration is as follows:VPC: vpc-2f8bc447 -IGW: igw-2d8bc445 -NACL: ad-208bc448 -Subnets and Route Tables:Web servers: subnet-258bc44d -Application servers: subnet-248bc44cDatabase servers: subnet-9189c6f9Route Tables:rrb-218bc449rtb-238bc44bAssociations:subnet-258bc44d : rtb-218bc449subnet-248bc44c : rtb-238bc44bsubnet-9189c6f9 : rtb-238bc44bYou are now ready to begin deploying EC2 instances into the VPC  Web servers must have direct access to the internet Application and database servers cannot have direct access to the internet.Which configuration below will allow you the ability to remotely administer your application and database servers, as well as allow these servers to retrieve updates from the Internet?Read More →

A company needs to optimize the cost of its application on AWS.The application uses AWS Lambda functions and Amazon Elastic Container Service (Amazon ECS) containers that run on AWS Fargate.The application is write-heavy and stores data in an Amazon Aurora MySQL database.The load on the application is not consistent.The application experiences long periods of no usage, followed by sudden and significant increases and decreases in traffic.The database runs on a memory optimized DB instance that cannot handle the load.A solutions architect must design a solution that can scale to handle the changes in traffic.Which solution will meet these requirements MOST cost-effectively?Read More →

Your company hosts a social media site supporting users in multiple countries. You have been asked to provide a highly available design tor the application that leverages multiple regions tor the most recently accessed content and latency sensitive portions of the wet) site The most latency sensitive component of the application involves reading user preferences to support web site personalization and ad selection.In addition to running your application in multiple regions, which option will support this application’s requirements?Read More →

A company has an application that generates reports and stores them in an Amazon S3 bucket.When a user accesses their report, the application generates a signed URL to allow the user to download the report.The company’s security team has discovered that the files are public and that anyone can download them without authentication.The company has suspended the generation of new reports until the problem is resolved.Which set of actions will immediately remediate the security issue without impacting the application’s normal workflow?Read More →

A company has built a high performance computing (HPC) cluster in AWS for a tightly coupled workload that generates a large number of shared files stored inAmazon EFS.The cluster was performing well when the number of Amazon EC2 instances in the cluster was 100.However, when the company increased the cluster size to 1,000 EC2 instances, overall performance was well below expectations.Which collection of design choices should a solutions architect make to achieve the maximum performance from the HPC cluster? (Choose three.)Read More →

A company runs its sales reporting application in an AWS Region in the United States.The application uses an Amazon API Gateway Regional API and AWS Lambda functions to generate on-demand reports from data in an Amazon RDS for MySQL database.The frontend of the application is hosted on Amazon S3 and is accessed by users through an Amazon CloudFront distribution.The company is using Amazon Route 53 as the DNS service for the domain.Route 53 is configured with a simple routing policy to route traffic to the API Gateway API.In the next 6 months, the company plans to expand operations to Europe.More than 90% of the database traffic is read-only traffic.The company has already deployed an API Gateway API and Lambda functions in the new Region.A solutions architect must design a solution that minimizes latency for users who download reports.Which solution will meet these requirements?Read More →

A solutions architect is implementing infrastructure as code for a two-tier web application in an AWS CloudFormation template.The web frontend application will be deployed on Amazon EC2 instances in an Auto Scaling group.The backend database will be an Amazon RDS for MySQL DB instance.The database password will be rotated every 60 days.How can the solutions architect MOST securely manage the configuration of the application’s database credentials?Read More →

A solutions architect is investigating an issue in which a company cannot establish new sessions in Amazon Workspaces.An initial analysis indicates that the issue involves user profiles.The Amazon Workspaces environment is configured to use Amazon FSx for Windows File Server as the profile share storage.The FSx for Windows File Server file system is configured with 10 TB of storage.The solutions architect discovers that the file system has reached Its maximum capacity.The solutions architect must ensure that users can regain access.The solution also must prevent the problem from occurring again.Which solution will meet these requirements?Read More →