A company hosts a three-tier ecommerce application on a fleet of Amazon EC2 instances. The instances run in an Auto Scaling group behind an Application Load Balancer (ALB) All ecommerce data is stored in an Amazon RDS for ManaDB Multi-AZ DB instance The company wants to optimize customer session management during transactions The application must store session data durably Which solutions will meet these requirements? (Select TWO )

• A.Use an Amazon DynamoOB table to store customer session information
• B.Deploy an Amazon Cognito user pool to manage user session information
• C.Use AWS Systems Manager Application Manager in the application to manage user session information
• D.Deploy an Amazon ElastiCache for Redis cluster to store customer session information
• E.Turn on the sticky sessions feature (session affinity) on the ALB

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A company's order system sends requests from clients to Amazon EC2 instances The EC2 instances process the orders and then store the orders in a database on Amazon RDS. Users report that they must reprocess orders when the system tails The company wants a resilient solution that can process orders automatically if a system outage occurs What should a solutions architect do to meet these requirements?

• A.Create an Amazon Simple Notification Service (Amazon SNS) topic. Create an AWS Lambda function, and subscribe the function to the SNS topic Configure (he order system to send messages to the SNS topic. Send a command to the EC2 instances to process the messages by using AWS Systems Manager Run Command
• B.Move the EC2 instances Into an Auto Scaling group. Create an Amazon EventBridge (Amazon CloudWatch Events) rule to target an Amazon Elastic Container Service (Amazon ECS) task
• C.Move the EC2 instances into an Auto Scaling group. Configure the order system to send messages to an Amazon Simple Queue Service (Amazon SGS) queue. Configure the EC2 instances to consume messages from the queue.
• D.Move the EC2 instances into an Auto Seating group behind an Application Load Balancer (Al B) Update the order system to send message to the ALB endpoint

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An Amazon EC2 administrator created the following policy associated with an IAM group containing several users

What is the effect of this policy?

• A.Users can terminate an EC2 instance in any AWS Region except us-east-1.
• B.Users can terminate an EC2 instance in the us-east-1 Region when the user's source IP is 10.100.100.254.
• C.Users can terminate an EC2 instance with the IP address 10 100 100 1 in the us-east-1 Region
• D.Users cannot terminate an EC2 instance in the us-east-1 Region when the user's source IP is 10.100 100 254

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A company needs a storage solution for an application that runs on a high performance computing (HPC) cluster. The cluster is hosted on AWS Fargate for Amazon Elastic Container Service (Amazon ECS) The company needs a mountable file system that provides concurrent access to files while delivering hundreds of GBps of throughput at sub-millisecond latencies Which solution meets these requirements?

• A.Create an Amazon Elastic File System (Amazon EFS) file share for the application data. Create an IAM role that allows Fargate to access the EFS file share.
• B.Create an Amazon Elastic Block Store (Amazon EBS) Provisioned IOPS SSD (io2) volume for the application data Create an IAM role that allows Fargate to access the volume.
• C.Create an Amazon S3 bucket for the application data. Create an S3 bucket policy that allows Fargate to access the S3 bucket
• D.Create an Amazon FSx for Lustre file share for the application data Create an IAM role that allows Fargate to access the FSx for Lustre file share

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A company runs an online ticketing application with backend services that run on Amazon EC2 instances. The EC2 instances belong to an Auto Scaling group and run behind an Application Load Balancer. The application experiences periods of high user traffic when a popular event is posted online. The company wants a solution that will be able to handle increases in user traffic without affecting the user experience.
What should a solutions architect do to meet these requirements?

• A.Configure a scheduled scaling policy for peak hours with a recurrence schedule set to every day.
• B.Configure a target tracking scaling policy that uses the average aggregate CPU utilization target metric.
• C.Configure a step scaling policy that is based on an Amazon CloudWatch alarm that monitors CPU utilization.
• D.Configure an Application Load Balancer health check that increases the Auto Scaling group capacity whenever the application returns HTTP 503 error codes.

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