You are asked to connect a Brocade VDX 8770 to a Brocade VDX 6740 in logical chassis
mode using four 40 Gbps links. Which license is required?

A.
an Advanced Services license on the VDX 8770

B.
a 40 GbE Port license on the VDX 8770

C.
an Advanced Services license on the VDX 6740

D.
a 40 GbE Port license on the VDX 6740