KCSA Platform Security Practice Question
An administrator needs to configure an Ingress resource to route traffic securely to a backend service using HTTPS (TLS between the ingress controller and the backend pod). Which NGINX Ingress annotation enables this backend HTTPS communication?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
nginx.ingress.kubernetes.io/backend-protocol: "HTTPS"
The NGINX Ingress controller supports annotations like 'nginx.ingress.kubernetes.io/backend-protocol: "HTTPS"' to instruct the proxy to communicate with backend pods over HTTPS.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
nginx.ingress.kubernetes.io/ssl-redirect: "true"
Why it's wrong here
This annotation redirects HTTP client requests to HTTPS at the ingress edge, not backend communication.
- ✗
nginx.ingress.kubernetes.io/proxy-connect-timeout
Why it's wrong here
This annotation configures the timeout for establishing a connection to the backend server.
- ✓
nginx.ingress.kubernetes.io/backend-protocol: "HTTPS"
Why this is correct
This annotation informs the NGINX Ingress controller to use HTTPS when proxying traffic to backend pods.
- ✗
nginx.ingress.kubernetes.io/cors-allow-origin
Why it's wrong here
This annotation configures Cross-Origin Resource Sharing headers.
About these practice questions
This KCSA question is part of Courseiva's 320-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official CNCF / Linux Foundation exam blueprint
This KCSA practice question is part of Courseiva's free CNCF / Linux Foundation certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the KCSA exam.