If a Kubernetes Service selects pods with label app=backend and one of the three pods is terminated, what will be the effect on the Service endpoints?

medium📝 Command Output Q4 of 15

Kubernetes - Services

If a Kubernetes Service selects pods with label app=backend and one of the three pods is terminated, what will be the effect on the Service endpoints?

AThe Service will automatically update endpoints to exclude the terminated pod

BThe Service will stop routing traffic until the pod is replaced

CThe Service will continue routing traffic to the terminated pod IP

DThe Service will crash due to missing pod

Step-by-Step Solution

Solution:

Step 1: Understand Service endpoint management
Kubernetes Services dynamically track pods matching the selector and update endpoints accordingly.
Step 2: Effect of pod termination
When a pod is terminated, it is removed from the endpoints list, so traffic is no longer routed to it.
Final Answer:
The Service will automatically update endpoints to exclude the terminated pod -> Option A
Quick Check:
Endpoints update dynamically with pod lifecycle [OK]

Quick Trick: Service endpoints reflect current pods only [OK]

Common Mistakes:

Assuming Service routes to terminated pods
Believing Service stops routing if pods change
Thinking Service crashes on pod deletion

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More Kubernetes Quizzes

If a Kubernetes Service selects pods with label app=backend and one of the three pods is terminated, what will be the effect on the Service endpoints?

Step 1: Understand Service endpoint management

Step 2: Effect of pod termination

Final Answer:

Quick Check:

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