問題文
An operations team must be able to reach a node's console and power controls even when the node's operating system has stopped responding. Which facility of the node provides this, and on which network does it live?
選択肢
- The baseboard management controller, reached over the out-of-band management network.
- The accelerator's own firmware, which exposes a console over the compute fabric to the operator.
- The cluster workload manager's node daemon, which reports state to the controller on a fixed cycle.
- A monitoring agent installed in the operating system, reached over the in-band network.