350-501 Networking Practice Question
In OSPFv3, what change was introduced compared to OSPFv2 for supporting IPv6?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
OSPFv3 runs over IPv6 and uses link-local addresses for adjacencies
OSPFv3 runs per-link instead of per-subnet, uses link-local addresses for neighbor discovery, and separates the protocol from addressing by using LSAs with IPv6 prefix information.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
OSPFv3 uses the same LSA types as OSPFv2
Why it's wrong here
OSPFv3 has different LSA types, e.g., Link LSA and Intra-Area-Prefix LSA.
- ✗
OSPFv3 supports only point-to-point network types
Why it's wrong here
OSPFv3 supports broadcast, NBMA, etc.
- ✓
OSPFv3 runs over IPv6 and uses link-local addresses for adjacencies
Why this is correct
Correct; OSPFv3 uses IPv6 link-local addresses for neighbor communication.
- ✗
OSPFv3 eliminates the need for a router ID
Why it's wrong here
Router ID is still required.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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