单项选择题Given the following output: san-port-channel 12 is up Hardware is Fibre Channel Port WWN is 24:0c:00:0d:ec:d3:5c:00 Admin port mode is NP, trunk mode is on Port mode is NP Port vsan is 1 Speed is 8 Gbps Member[1] : fc2 3 Member[2] : fc2 4 What does Speed is 8 Gbps indicate?()
A. The speed of the slowest interface in the port channel
B. The combined speed of all interfaces configured in the port channel
C. The combined speed of all interfaces in the port channel that are up
D. The speed that can be achieved if all buffers are used