A ride-sharing company stores historical service usage data as structured .csv data files in Amazon S3.A data analyst needs to perform SQL queries on this data.A solutions architect must recommend a solution that optimizes cost-effectiveness for the queries.Which solution meets these requirements?Read More →
A gaming company has implemented a leaderboard in AWS using a Sorted Set data structure within Amazon ElastiCache for Redis.The ElastiCache cluster has been deployed with cluster mode disabled and has a replication group deployed with two additional replicas.The company is planning for a worldwide gaming event and is anticipating a higher write load than what the current cluster can handle.Which method should a Database Specialist use to scale the ElastiCache cluster ahead of the upcoming event?Read More →
A company runs many Amazon EC2 instances in its VPC.The company wants to use a native AWS security resource to control network traffic between certain EC2 instances.Which AWS service or feature will meet this requirement?Read More →
A developer must analyze performance issues with production-distributed applications written as AWS Lambda functions.These distributed Lambda applications invoke other components that make up the applications.How should the developer identify and troubleshoot the root cause of the performance issues in production?Read More →
A company is building a web and mobile application that uses a serverless architecture powered by AWS Lambda and Amazon API Gateway.The company wants to fully automate the backend Lambda deployment based on code that is pushed to the appropriate environment branch in an AWS CodeCommit repository.The deployment must have the following:• Separate environment pipelines for testing and production• Automatic deployment that occurs for test environments onlyWhich steps should be taken to meet these requirements?Read More →
A SysOps administrator is using AWS CloudFormation StackSets to create AWS resources in two AWS Regions in the same AWS account.A stack operation fails in one Region and returns the stack instance status of OUTDATED.What is the cause of this failure?Read More →
A company uses AWS Organizations.The company creates a central VPC in an AWS account that is designated for networking in a single AWS Region.The central VPC has an AWS Site-to-Site VPN connection to the company’s on-premises network.A solutions architect must create another AWS account that uses the same networking resources that the central VPC uses.Which solution meets these requirements MOST cost-effectively?Read More →
A company will store sensitive documents in three Amazon S3 buckets based on a data classification scheme of `Sensitive,` `Confidential,` and `Restricted.` The security solution must meet all of the following requirements:✑ Each object must be encrypted using a unique key.✑ Items that are stored in the `Restricted` bucket require two-factor authentication for decryption.✑ AWS KMS must automatically rotate encryption keys annually.Which of the following meets these requirements?Read More →
A company is launching a new application that requires a structured database to store user profiles, application settings, and transactional data.The database must be scalable with application traffic and must offer backups.Which solution will meet these requirements MOST cost-effectively?Read More →
A medical company is running a REST API on a set of Amazon EC2 instances.The EC2 instances run in an Auto Scaling group behind an Application Load Balancer (ALB).The ALB runs in three public subnets, and the EC2 instances run in three private subnets.The company has deployed an Amazon CloudFront distribution that has the ALB as the only origin.Which solution should a solutions architect recommend to enhance the origin security?Read More →
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