Google Professional Cloud Architect
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You are preparing for an upcoming product launch and have set up an autoscaling instance group to handle web traffic. This instance group is configured as a backend service for an HTTP(S) load balancer. However, you observe that the VM instances in the group are being terminated and relaunched every minute. These instances do not have public IP addresses. Despite verifying that each instance can provide the correct web response using the curl command, the issue persists. What should you do to ensure the backend service is configured correctly?
A
Ensure that a firewall rule exists to allow source traffic on HTTP/HTTPS to reach the load balancer.
B
Assign a public IP to each instance and configure a firewall rule to allow the load balancer to reach the instance public IP.
C
Ensure that a firewall rule exists to allow load balancer health checks to reach the instances in the instance group.
D
Create a tag on each instance with the name of the load balancer. Configure a firewall rule with the name of the load balancer as the source and the instance tag as the destination.