Which description is correct according to the output of the command show spanning-tree?
A.
Switch PG-SW1 has been configured with the spanning-tree vlan 1 priority 24577 global configuration command.
B.
Switch PG-SW1 has been configured with the spanning-tree vlan 1 root secondary global configuration command.
C.
Switch PG-SW1 has been configured with the spanning-tree vlan 1 hello-time 2 global configuration command.
D.
The root bridge has been configured with the spanning-tree vlan 1 root secondary global configuration command.