You want to automatically scale a deployment named webapp between 2 and 10 replicas based on CPU usage. Which Kubernetes resource should you create?

hard📝 Workflow Q8 of 15

Kubernetes - ReplicaSets and Deployments

You want to automatically scale a deployment named webapp between 2 and 10 replicas based on CPU usage. Which Kubernetes resource should you create?

AHorizontalPodAutoscaler

BReplicaSet

CStatefulSet

DDaemonSet

Step-by-Step Solution

Solution:

Step 1: Identify resource for automatic scaling
HorizontalPodAutoscaler adjusts replicas based on metrics like CPU.
Step 2: Exclude other resources
ReplicaSet manages fixed replicas, StatefulSet manages stateful pods, DaemonSet runs pods on all nodes.
Final Answer:
HorizontalPodAutoscaler -> Option A
Quick Check:
Auto scaling uses HorizontalPodAutoscaler [OK]

Quick Trick: Use HorizontalPodAutoscaler for CPU-based scaling [OK]

Common Mistakes:

Confusing ReplicaSet with autoscaling
Using StatefulSet for scaling
Thinking DaemonSet scales pods

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More Kubernetes Quizzes

You want to automatically scale a deployment named webapp between 2 and 10 replicas based on CPU usage. Which Kubernetes resource should you create?

Step 1: Identify resource for automatic scaling

Step 2: Exclude other resources

Final Answer:

Quick Check:

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