Why might an annotation like nginx.ingress.kubernetes.io/ssl-redirect not work as expected even if correctly set to "true"?

hard📝 Conceptual Q10 of 15

Kubernetes - Ingress

Why might an annotation like nginx.ingress.kubernetes.io/ssl-redirect not work as expected even if correctly set to "true"?

ABecause the Ingress controller ignores annotations if the Ingress class is not set properly

BBecause the annotation requires a backend service to support HTTPS

CBecause the annotation only works with LoadBalancer type services

DBecause the annotation must be set in the service, not the Ingress

Step-by-Step Solution

Solution:

Step 1: Understand annotation dependency on Ingress class
Annotations are processed only by the matching Ingress controller identified by the ingress class.
Step 2: Recognize that wrong or missing ingress class causes annotation ignore
If the ingress class is missing or different, the annotation is ignored even if set correctly.
Final Answer:
Because the Ingress controller ignores annotations if the Ingress class is not set properly -> Option A
Quick Check:
Ingress class mismatch causes annotation failure [OK]

Quick Trick: Annotations need correct ingress class to work [OK]

Common Mistakes:

Master "Ingress" in Kubernetes

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