Refer to the exhibit.Give this output for SwitchC, what should the network administrator’s next action be?()<br /> <img src="https://nimg.ppkao.com/2018-07/zhoulian/2018072315261659831.jpg?sign=41eb79ac9a4288bf167b398e591355d7&t=62d3dfa2" />
A、Check the trunk encapsulation mode for SwitchC’s fa0/1 port.
B、Check the duplex mode for SwitchC’s fa0/1 port.
C、Check the duplex mode for SwitchA’s fa0/2 port.
D、Check the trunk encapsulation mode for SwitchA’s fa0/2 port.