Crucial Exams

AWS Certified CloudOps Engineer Associate SOA-C03 Practice Question

A CloudFormation stack that creates an Auto Scaling group distributed across three private subnets fails with the error "SubnetId X does not have available IP addresses." Each subnet has a /28 CIDR block and already contains several ENIs. As the CloudOps engineer, you must restore the deployment with minimal disruption to existing resources while following AWS best practices. Which action will most effectively resolve the stack failure?

  • Reduce the Auto Scaling group's desired capacity to zero, then retry the stack update and scale out later.

  • Allocate additional Elastic IP addresses and associate them with the Auto Scaling group launch template.

  • Create a new subnet with a larger CIDR block in the same Availability Zone and update the stack parameters so the Auto Scaling group references the new subnet.

  • Open an AWS Support case to raise the service quota for network interfaces in the VPC.

AWS Certified CloudOps Engineer Associate SOA-C03
Deployment, Provisioning, and Automation
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