A company is managing a website with a global user base hosted on Amazon EC2 with an Application Load Balancer (ALB). To reduce the load on the web servers, a SysOps administrator configures an Amazon CloudFront distribution with the ALB as the origin. After a week of monitoring the solution, the administrator notices that requests are still being served by the ALB and there is no change in the web server load.
What are possible causes for this problem? (Choose two.)
A company's SysOps administrator is troubleshooting communication between the components of an application. The company configured VPC flow logs to be published to Amazon CloudWatch Logs However, there are no logs in CloudWatch Logs
What could be blocking the VPC flow logs from being published to CloudWatch Logs?
A SysOps administrator has used AWS Cloud Formal ion to deploy a serverless application Into a production VPC. The application consists of an AWS Lambda function an Amazon DynamoDB table, and an Amazon API Gateway API. The SysOps administrator must delete the AWS Cloud Formation stack without deleting the DynamoDB table.
Which action should the SysOps administrator take before deleting the AWS Cloud Formation stack?
After creating a presigned URL for an S3 object, users can no longer access the file after a few days.
Options (Select TWO):