单选题Which statement describes a spanning-tree network that has converged?（）AAll switch and bridge ports are in the forwarding state.BAll switch and bridge ports are assigned as either root or designated ports.CAll switch and bridge ports are in either the forwarding or blocking state.DAll switch and bridge ports are either blocking or looping.
单选题
Which statement describes a spanning-tree network that has converged?（）
A
All switch and bridge ports are in the forwarding state.
B
All switch and bridge ports are assigned as either root or designated ports.
C
All switch and bridge ports are in either the forwarding or blocking state.
D
All switch and bridge ports are either blocking or looping.
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