What happens if Switch-A, configured as Master in a stacked setup with Switch-B, is shut down?

In a stacked switch configuration, the Master switch plays a critical role in managing system operations, including the coordination of the whole stack. When Switch-A is set as the Master and it is shut down, the remaining switch, Switch-B, will not automatically assume the Master role. Instead, it will continue to reboot and attempt to connect back to the Master switch, which disrupts normal operations.

While Switch-B is trying to reboot, it loses its capabilities to forward traffic effectively. This scenario means that there will be no traffic flow between devices in the network, such as from the Server to the Firewall, causing significant disruption. Therefore, it is the behavior of Switch-B during the shutdown of the Master that leads to this conclusion regarding traffic flow and re-election processes, indicating that the shutdown of the Master affects the entire Stack's operational status.

The other choices present various states of operation that do not accurately reflect the behavior of a non-Master switch when the Master becomes unavailable. For example, stating that Switch-B remains a Member with traffic flow continuing does not account for the operational dependencies that are disrupted since the Master is down.