Cisco Certified Network Associate (CCNA) 200-301 — Question 580

The correct answer is D. Option D: interface FastEthernet0/1 ip helper-address 10.0.1.1 ! access-list 100 permit udp host 10.0.1.1 eq bootps host 10.148.2.1

Explanation

OSPF elects a designated router on multiaccess networks to reduce adjacency and LSA exchange overhead.