問題文
In an installer-provisioned bare metal deployment, what is the provisioner node?
選択肢
- A storage appliance that holds the disk images used during installation, so the cluster could not be built at all without a filer already present in the rack.
- A permanent member of the cluster that keeps the record of the cluster's state and serves the interface through which every request to change that state must pass, which is why it has to remain available for as long as the cluster is expected to accept any change at all.
- A node dedicated to running the user workloads once the cluster is up, leaving nothing to run the installation program before any node exists.
- A machine that runs the installation program and hosts the temporary bootstrap environment used to bring up the cluster's control plane.