Exam DCA Topic 5 Question 57 Discussion

Actual exam question for Docker's DCA exam
Question #: 57
Topic #: 5
In the context of a swarm mode cluster, does this describe a node?
Solution: an instance of the Docker engine participating in the swarm

Suggested Answer: A Vote an answer

In the context of a swarm mode cluster, an instance of the Docker engine participating in the swarm is indeed a node1. A node can be either a manager or a worker, depending on the role assigned by the swarm manager2. A manager node handles the orchestration and management of the swarm, while a worker node executes the tasks assigned by the manager2. A node can join or leave a swarm at any time, and the swarm manager will reconcile the desired state of the cluster accordingly1. References:
* 1: Swarm mode overview | Docker Docs
* 2: Manage nodes in a swarm | Docker Docs

by Pamela at Aug 05, 2026, 07:28 AM

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