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Which flag format correctly sets the minimum nodes to 3 and maximum nodes to 7 for a node group named worker-group in Cluster Autoscaler?

easy📝 Syntax Q3 of 15
Kubernetes - Resource Management
Which flag format correctly sets the minimum nodes to 3 and maximum nodes to 7 for a node group named worker-group in Cluster Autoscaler?
A--node-min=3 --node-max=7 --group=worker-group
B--nodes=3:7:worker-group
C--min-nodes=3 --max-nodes=7 --node-group=worker-group
D--scale=worker-group:3-7
Step-by-Step Solution
Solution:

  1. Step 1: Understand Cluster Autoscaler flag syntax

    The correct syntax for specifying node group size is --nodes=min:max:node-group-name.

  2. Step 2: Analyze options

    --nodes=3:7:worker-group matches the correct syntax exactly. Options B and C use incorrect flag names, and D uses an invalid format.

  3. Final Answer:

    --nodes=3:7:worker-group -> Option B

  4. Quick Check:

    Flag format matches official docs [OK]
Quick Trick: Use --nodes=min:max:group format [OK]
Common Mistakes:
  • Using incorrect flag names like --node-min or --min-nodes
  • Reversing min and max values
  • Using unsupported flag formats

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