Cisco Certified Network Associate (CCNA) 200-301 — Question 631

The correct answer is A. Option A: The scope of an IPv6 link-local address is limited to a directly attached interface, but an IPv6 unique local address is used throughout a company site or network.

Explanation

OSPF elects a designated router on multiaccess networks to reduce adjacency and LSA exchange overhead. IPv6 uses 128-bit addresses and relies on Neighbor Discovery rather than ARP. An IPv6 link-local address is valid only on the local link and commonly begins with FE80::/10.