A Security Engineer has launched multiple Amazon EC2 instances from a private AMI using an AWS CloudFormation template.The Engineer notices instances terminating right after they are launched.What could be causing these terminations?Read More →
A company is implementing a serverless architecture by using AWS Lambda functions that need to access a Microsoft SQL Server DB instance on Amazon RDS.The company has separate environments for development and production, including a clone of the database system.The company’s developers are allowed to access the credentials for the development database.However, the credentials for the production database must be encrypted with a key that only members of the IT security team’s IAM user group can access.This key must be rotated on a regular basis.What should a solutions architect do in the production environment to meet these requirements?Read More →
An ecommerce company is launching a new application that will be publicly accessible.The company deployed the application on Amazon EC2 instances behind an Application Load Balancer (ALB) in the us-east-1 Region.The EC2 instances are in an Auto Scaling group.A developer needs to make the application secure by using TLS/SSL certificates provisioned by AWS.The developer also needs to configure the existing domain www.example.com in Amazon Route 53.Which combination of steps should the developer take to meet these requirements? (Choose two.)Read More →
A company manages an on-premises MySQL database on a Windows server.The company wants to migrate the database to AWS and needs a solution that will reduce the administrative overhead of the database.Which AWS service will meet this requirement?Read More →
A user has created an application which will be hosted on EC2.The application makes calls to DynamoDB to fetch certain data.The application is using theDynamoDB SDK to connect with from the EC2 instance.Which of the below mentioned statements is true with respect to the best practice for security in this scenario?Read More →
A company hosts a public web application on AWS.The application provides a user feedback feature that consists of free-text fields where users can submit text to provide feedback.The company receives a large amount of free-text user feedback from the online web application.The product managers at the company classify the feedback into a set of fixed categories including user interface issues, performance issues, new feature request, and chat issues for further actions by the company’s engineering teams.A machine learning (ML) engineer at the company must automate the classification of new user feedback into these fixed categories by using Amazon SageMaker.A large set of accurate data is available from the historical user feedback that the product managers previously classified.Which solution should the ML engineer apply to perform multi-class text classification of the user feedback?Read More →
A company runs a high performance computing (HPC) workload on AWS.The workload required low-latency network performance and high network throughput with tightly coupled node-to-node communication.The Amazon EC2 instances are properly sized for compute and storage capacity, and are launched using default options.What should a solutions architect propose to improve the performance of the workload?Read More →
A company is writing a new survey application to be used with a weekly televised game show.The application will be available for 2 hours each week.The company expects to receive over 500,000 entries every week, with each survey asking 2-3 multiple choice questions of each user.A Database Specialist needs to select a platform that is highly scalable for a large number of concurrent writes to handle the anticipated volume.Which AWS services should the Database Specialist consider? (Choose two.)Read More →
A DevOps engineer is creating a CI/CD pipeline for an Amazon ECS service.The ECS container instances run behind an Application Load Balancer as the web tier of a three-tier application.An acceptance criterion for a successful deployment is the verification that the web tier can communicate with the database and middleware tiers of the application upon deployment.How can this be accomplished in an automated fashion?Read More →
A SysOps administrator is reviewing AWS Trusted Advisor recommendations.The SysOps administrator notices that all the application servers for a finance application are listed in the Low Utilization Amazon EC2 Instances check.The application runs on three instances across three Availability Zones.The SysOps administrator must reduce the cost of running the application without affecting the application’s availability or design.Which solution will meet these requirements?Read More →
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