What are two enhancements that OSPFv3 supports over OSPFv2? (Choose two.)
A.
It requires the use of ARP.
B.
It can support multiple IPv6 subnets on a single link.
C.
It supports up to 2 instances of OSPFv3 over a common link.
D.
It routes over links rather than over networks.
Explanation:
OSPFv3 is to IPv6 what OSPFv2 is to IPv4.
OSPFv3 over OSPFv2:
Protocol processing per-link, not per-subnet
Use of IPv6 link-local addresses
Removal of addressing semantics
Addition of Flooding scope
Explicit support for multiple instances per link
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