Recall & Review
beginner
What is the role of a manager node in Docker Swarm?
A manager node controls the swarm, manages cluster state, and assigns tasks to worker nodes.
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beginner
What does a worker node do in a Docker Swarm?
A worker node runs the containers assigned by the manager node but does not manage the swarm.
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intermediate
How do manager nodes communicate with worker nodes in Docker Swarm?
Manager nodes send tasks to worker nodes using the swarm's internal network and keep track of their status.
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intermediate
Can a node be both a manager and a worker in Docker Swarm?
Yes, a node can act as both manager and worker, handling management tasks and running containers.
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intermediate
Why is it recommended to have multiple manager nodes in a Docker Swarm?
Multiple manager nodes provide high availability and fault tolerance for the swarm control plane.
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What is the primary responsibility of a Docker Swarm manager node?
✗ Incorrect
Manager nodes assign tasks to worker nodes and manage the swarm state.
Which node type runs containers but does not manage the swarm?
✗ Incorrect
Worker nodes run containers assigned by managers but do not manage the swarm.
Can a Docker Swarm node be both a manager and a worker?
✗ Incorrect
A node can be both manager and worker, handling management and running containers.
Why should you have multiple manager nodes in a swarm?
✗ Incorrect
Multiple managers ensure the swarm control plane stays available if one fails.
How do manager nodes keep track of worker nodes?
✗ Incorrect
Managers communicate with workers over the swarm network to track their status.
Explain the difference between manager and worker nodes in Docker Swarm.
Think about who controls and who executes.
You got /4 concepts.
Why is it important to have multiple manager nodes in a Docker Swarm cluster?
Consider what happens if one manager node fails.
You got /4 concepts.