CGOA Tooling Practice Question
You are using ArgoCD and need to ensure that secret values stored in Git via Sealed Secrets are decrypted only within the target cluster. What component performs the actual decryption of a SealedSecret resource?
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
✓
Sealed Secrets controller
The Sealed Secrets controller running in the target cluster holds the private key required to decrypt the SealedSecret into a standard Kubernetes Secret.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
GitOps CLI (kubeseal)
Why it's wrong here
kubeseal creates the secret, it does not decrypt it.
- ✗
Kubernetes API Server
Why it's wrong here
The API server performs admission control but doesn't handle decryption logic.
- ✗
ArgoCD Application controller
Why it's wrong here
ArgoCD simply applies the SealedSecret resource to the cluster.
- ✓
Sealed Secrets controller
Why this is correct
The controller uses the private key stored in the cluster to decrypt secrets.
About these practice questions
Courseiva writes every CGOA question from scratch — 325 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or 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 CGOA 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 CGOA exam.