A SysOps Administrator created an Application Load balancer (ALB) and placed two Amazon EC2 instances in the same subnet behind the ALB. During monitoring, the Administrator observes HealthyHostCount drop to 1 in Amazon CloudWatch.
What is MOST likely causing this issue?

A. The EC2 instances are in the same Availability Zone, causing contention between the two. B. The route tables are not updated to allow traffic to flow between the ALB and the EC2 instances. C. The ALB health check has failed, and the ALB has taken EC2 instances out of service. D. The Amazon Route 53 health check has failed, and the ALB has taken EC2 instances out of service. Correct Answer: A This question is in SOA-C01 AWS Certified SysOps Administrator – Associate Exam For getting AWS Certified SysOps Administrator – Associate Certificate

Disclaimers:
The website is not related to, affiliated with, endorsed or authorized by Amazon.
Trademarks, certification & product names are used for reference only and belong to Amazon.
The website does not contain actual questions and answers from Amazon's Certification Exam.