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Which command initializes a Docker Swarm cluster on the current machine?

easy📝 Syntax Q12 of 15
Docker - Swarm
Which command initializes a Docker Swarm cluster on the current machine?
Akubectl create swarm
Bkubectl init cluster
Cdocker cluster start
Ddocker swarm init
Step-by-Step Solution
Solution:

  1. Step 1: Recall Docker Swarm initialization command

    The correct command to start a Swarm cluster is docker swarm init.

  2. Step 2: Identify incorrect Kubernetes or invalid commands

    kubectl commands are for Kubernetes, and the others are invalid Docker commands.

  3. Final Answer:

    docker swarm init -> Option D

  4. Quick Check:

    Swarm init command = A [OK]
Quick Trick: Swarm init uses 'docker swarm init' command [OK]
Common Mistakes:
  • Using kubectl commands for Docker Swarm
  • Typing incorrect Docker commands
  • Confusing cluster start with init

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