单选题A new Catalyst switch is connected to an existing switch using a crossover cable. As a result of this, what would the switch port link lights display?（）AThe switch port link lights will be off on both switches indicating the ports are not connected.BThe switch port link light will be off on one switch indicating that STP has disabled the port.CThe switch port link lights will flash amber indicating an error.DThe switch port link lights will be green indicating normal operation.
单选题
A new Catalyst switch is connected to an existing switch using a crossover cable. As a result of this, what would the switch port link lights display?（）
A
The switch port link lights will be off on both switches indicating the ports are not connected.
B
The switch port link light will be off on one switch indicating that STP has disabled the port.
C
The switch port link lights will flash amber indicating an error.
D
The switch port link lights will be green indicating normal operation.
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