[Solved] Given this Service selector: selector: tier: backend env: prod Which pods will this Service select? — Ans: Pods with labels tier=backend and env=prod | Kubernetes

Kubernetes - Services

Given this Service selector:

selector:
  tier: backend
  env: prod

Which pods will this Service select?

APods with label <code>tier=backend</code> only

BPods with labels <code>tier=backend</code> and <code>env=prod</code>

CPods with label <code>env=prod</code> only

DPods with either <code>tier=backend</code> or <code>env=prod</code>

Step-by-Step Solution

Solution:

Step 1: Understand selector matching logic
A Service selector matches pods that have all the specified labels with exact values.
Step 2: Apply to given selector
The selector requires pods to have both tier=backend and env=prod labels to be selected.
Final Answer:
Pods with labels tier=backend and env=prod -> Option B
Quick Check:
Selector matches all labels, not any [OK]

Quick Trick: Selector matches pods with all labels, not just one [OK]

Common Mistakes:

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