In a multiple vendor environment, which approach is recommended in Cisco NX-OS to generate the BGP route distinguisher and route target? 

Answer options:

A. Auto generate route-distinguisher a route-target values.
B. Manually configure route-distinguisher and route-target values.
C. Manually configure route-distinguisher and auto generate route-target values.
D. Auto generate route-distinguisher and route-target values and make manual adjustments.

B