You connect a host to a switch. The host is capable only of half duplex. After the connection is negotiated, how should the interface DUPLX LED appear? A. Amber B. Green C. Green/amber D. Off Solution D is correct. If the LED mode is set to duplex, there are only two options: green for full duplex and off for half duplex. A, B, and C are incorrect. A is incorrect because amber LEDs do not appear when the mode is set to duplex. B is incorrect because green LEDs indicate a full-duplex connection when the mode is set to duplex. C is incorrect because green/amber LEDs do not appear when the mode is set to duplex..