Refer to the exhibit. R1 and R2 cannot establish an EIGRP adjacency. Which action establishes EIGRP adjacency?
A. Remove the current autonomous system number on one of the routers and change to a different value.
B. Remove the passive-interface command from the R2 configuration so that it matches the R1 configuration.
C. Add the no auto-summary command to the R2 configuration so that it matches the R1 configuration.
D. Add the passive-interface command to the R1 configuration so that it matches the R2 configuration.
