Question: Which statements about the manager node in Swarm Mode are true? ( 1 point ) There can only be one manager node There may be

Which statements about the manager node in Swarm Mode are true?
(1 point)
There can only be one manager node
There may be more than one manager node
By default, the manager node also plays the role of a worker
To add a new manager to swarm, execute the docker swarm join-token manager command and then follow the instructions

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