A municipal autoscaling group cannot attach new NICs because the subnet reports no free addresses. What problem does this describe?
Select an answer to reveal the explanation.
Short Explanation
No free parking spots left in the subnet lot means new NICs have nowhere to plug in. Grow the CIDR, free unused addresses, or place scale-out nodes in a larger subnet.
Full Explanation
A municipal autoscaling group that cannot attach new NICs because the subnet reports no free addresses describes IP address scope exhaustion within the subnet CIDR. Free IP count limits scale-out even when compute quota remains. Certificate pinning mismatch on mobile citizen apps is a client trust issue, not NIC attachment failure. Missing MFA enrollment for the deploy service account would yield auth errors, not subnet exhaustion messages. Incorrect CDN cache-control headers on static assets do not consume subnet IPs for autoscaling NICs. Exam caveat: plan subnet sizing for peak civic scale, including LB ENIs and secondary IPs—not only initial server counts. Operational check: count available addresses in the subnet, expand CIDR or add subnets across zones, update autoscaling network config, test scale-out, and document IP capacity alarms for municipal platform ops. In municipal cloud operations, record the chosen control and the rejected alternatives in the change or incident ticket so future on-call staff understand which failure modes were avoided for city services. Re-validate after the next maintenance window that the same decision still holds under current provider limits, identity bindings, and application versions used by the civic platform team.