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Linux Foundation CNPA Exam - Topic 2 Question 18 Discussion
Topic #: 2
Which IaC approach ensures Kubernetes infrastructure maintains its desired state automatically?
The declarative approach to Infrastructure as Code (IaC) is the foundation of Kubernetes and GitOps practices. Option A is correct because declarative IaC defines the desired state of the infrastructure (e.g., Kubernetes YAML manifests) and relies on controllers or reconciliation loops to ensure the actual state matches the declared one. This allows for automation, consistency, and drift correction without manual intervention.
Option B (imperative) requires explicit step-by-step instructions, which are not automatically enforced after execution. Option C (hybrid) can combine both methods but does not guarantee reconciliation. Option D (manual) is error-prone and eliminates the benefits of IaC entirely.
Declarative IaC reduces cognitive load, improves reproducibility, and ensures compliance through automated drift detection and reconciliation, which are essential in platform engineering for multi-cluster and multi-team environments.
--- CNCF GitOps Principles
--- Kubernetes Declarative Model
--- Cloud Native Platform Engineering Study Guide
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