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Which Docker CLI command is used to start a new Swarm cluster on the current host?

easy📝 Syntax Q3 of 15
Docker - Swarm
Which Docker CLI command is used to start a new Swarm cluster on the current host?
Adocker cluster create
Bdocker swarm start
Cdocker swarm init
Ddocker service init
Step-by-Step Solution
Solution:

  1. Step 1: Recall Docker Swarm initialization command

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

  2. Step 2: Eliminate incorrect options

    'docker swarm start' and 'docker cluster create' are invalid commands; 'docker service init' does not exist.

  3. Final Answer:

    docker swarm init -> Option C

  4. Quick Check:

    Swarm cluster starts with 'docker swarm init' [OK]
Quick Trick: 'docker swarm init' starts the cluster [OK]
Common Mistakes:
  • Using 'docker swarm start' which is not a valid command
  • Confusing service commands with cluster initialization

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