A web application runs on Amazon EC2 instances behind an Application Load Balancer (ALB).
The instances run in an Auto Scaling group across multiple Availability Zones. A SysOps administrator notices that some of these EC2 instances show up as healthy in the Auto Scaling group but show up as unhealthy in the ALB target group.
What is a possible reason for this issue?

• A.The target group health check is configured with an incorrect port or path
• B.The Auto Seating group health check is configured for EC2 status checks
• C.The EC2 instances are failing to launch and failing EC2 status checks.
• D.Security groups ate rot allowing traffic between the ALB and the failing EC2 instances

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A SysOps administrator is maintaining a web application using an Amazon CloudFront web distribution, an Application Load Balancer (ALB), Amazon RDS, and Amazon EC2 in a VPC. All services have logging enabled.
The administrator needs to investigate HTTP Layer 7 status codes from the web application.
Which log sources contain the status codes? (Choose two.)

• A.CloudFront access logs
• B.RDS logs
• C.ALB access logs
• D.VPC Flow Logs
• E.AWS CloudTrail logs

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A SysOps administrator has created a VPC that contains a public subnet and a private subnet. Amazon EC2 instances that were launched in the private subnet cannot access the internet. The default network ACL is active on all subnets in the VPC, and all security groups allow all outbound traffic:
Which solution will provide the EC2 instances in the private subnet with access to the internet?

• A.Create a NAT gateway in the public subnet. Create a route from the private subnet to the NAT gateway.
• B.Create a NAT gateway in the public subnet. Create a route from the public subnet to the NAT gateway.
• C.Create a NAT gateway in the private subnet. Create a route from the public subnet to the NAT gateway.
• D.Create a NAT gateway in the private subnet. Create a route from the private subnet to the NAT gateway.

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A company recently purchased Savings Plans. The company wants to receive email notification when the company's utilization drops below 90% for a given day.
Which solution will meet this requirement?

• A.Create an Amazon CloudWatch alarm to monitor the Savings Plan check in AWS Trusted Advisor.
  Configure an Amazon Simple Queue Service (Amazon SQS) queue for email notification when the utilization drops below 90% for a given day.
• B.Create an Amazon CloudWatch alarm to monitor the SavingsPlansUtilization metric under the AWS/SavingsPlans namespace in CloudWatch. Configure an Amazon Simple Queue Service (Amazon SQS) queue for email notification when the utilization drops below 90% for a given day.
• C.Create a Savings Plans alert to monitor the daily utilization of the Savings Plans. Configure an Amazon Simple Notification Service (Amazon SNS) topic for email notification when the utilization drops below 90% for a given day.
• D.Use AWS Budgets to create a Savings Plans budget to track the daily utilization of the Savings Plans. Configure an Amazon Simple Notification Service (Amazon SNS) topic for email notification when the utilization drops below 90% for a given day.

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A company has a stateful web application that is hosted on Amazon EC2 instances in an Auto Scaling group. The instances run behind an Application Load Balancer (ALB) that has a single target group. The ALB is configured as the origin in an Amazon CloudFront distribution. Users are reporting random logouts from the web application.
Which combination of actions should a SysOps administrator take to resolve this problem? (Select TWO.)

• A.Change to the least outstanding requests algorithm on the ALB target group.
• B.Configure cookie forwarding in the CloudFront distribution cache behavior.
• C.Configure header forwarding in the CloudFront distribution cache behavior.
• D.Enable group-level stickiness on the ALB listener rule.
• E.Enable sticky sessions on the ALB target group.

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