A Streaming Services Company Has a Three-Tier Web Application Hosted

question 802

Multiple Choice

A streaming services company has a three-tier web application hosted on Amazon EC2 instances in an Auto Scaling group behind an Application Load Balancer (ALB) . When the Auto Scaling group scales in, a deregistration delay occurs and the delay is sometimes longer than the time required to terminate the EC2 instance. A SysOps administrator must ensure that the latest logs are delivered to an external system before the EC2 instance is terminated. Which solution will solve this problem?

• A) Add a lifecycle hook to the Auto Scaling group to put the EC2 instance in a wait state until the log files have been delivered.
• B) Configure a fixed response for the ALB to use custom error messages to respond to incoming requests with HTTP error response codes.
• C) Create an Amazon CloudWatch alarm based on the RequestCountPerTarget metric for the Auto Scaling group. Modify the cooldown period to wait until the EC2 instance is terminated.
• D) Update the launch configuration to enable scale-in protection for the Auto Scaling group and detach the EC2 instance protected for termination.

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