A SysOps Administrator Is Maintaining an Application That Runs on Amazon

question 829

Multiple Choice

A SysOps Administrator is maintaining an application that runs on Amazon EC2 instances behind an Application Load Balancer (ALB) . Users are reporting errors when attempting to launch the application. The Administrator notices an increase in the HTTPCode_ELB_5xx_Count Amazon CloudWatch metric for the load balancer. What is a possible cause for this increase?

• A) The ALB is associated with private subnets within the VPC.
• B) The ALB received a request from a client, but the client closed the connection.
• C) The ALB security group is not configured to allow inbound traffic from the users.
• D) The ALB target group does not contain healthy EC2 instances.

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