Question

What is the purpose of Docker swarm join?

A) To add a worker node to a Docker swarm

B) To manage Docker images

C) To manage Docker containers

D) To manage Docker networks

Answer 1

Answer: A

Explanation: Docker swarm join is a command for adding a worker node to a Docker swarm. It requires the join token generated by the manager node and can be used to join a node to the swarm from a remote host.