Cisco Certified Network Associate (CCNA) 200-301 — Question 129

The correct answer is D. Option D: Subnet: 10.7.54.0 Subnet mask: 255.255.254.0 Broadcast address: 10.7.55.255 Usable IP address range: 10.7.54.1 "" 10.7.55.254

Explanation

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