The advantages of DR/BDR election in the OSPF protocol include______.(Multiple choice)

The advantages of DR/BDR election in the OSPF protocol include______.(Multiple choice)
A . Reduces the number of adjacencies maintained
B. After DR fails, BDR immediately becomes DR, which can reduce the convergence time after routing changes
C. The most stable router becomes DR/BDR, which can enhance the robustness of the network

Answer: AB