Given the following output： san-port-channel 12 is up

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

CCIE DC