JNCIP-ENT Interior Gateway Protocols Practice Question
When configuring OSPFv3, which Junos address-family hierarchy is used to enable OSPFv3 on an interface?
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
✓
set protocols ospf3 area 0.0.0.0 interface xe-0/0/0.0
OSPFv3 in Junos operates within the IPv6 address family under protocols ospf3.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
set protocols ospf3 area 0.0.0.0 interface xe-0/0/0.0
Why this is correct
OSPFv3 is configured under protocols ospf3 referencing areas and interfaces directly.
- ✗
set protocols ospf version 3 area 0.0.0.0 interface xe-0/0/0.0
Why it's wrong here
OSPFv3 has its own dedicated protocol hierarchy named ospf3 in Junos.
- ✗
set protocols ipv6 ospf area 0.0.0.0 interface xe-0/0/0.0
Why it's wrong here
IPv6 OSPF settings do not reside under protocols ipv6.
- ✗
set protocols ospf3 ipv6 area 0.0.0.0 interface xe-0/0/0.0
Why it's wrong here
The ipv6 keyword is redundant and incorrect in this context.
About these practice questions
One of 336 original JNCIP-ENT practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Juniper Networks exam blueprint
This JNCIP-ENT practice question is part of Courseiva's free Juniper Networks certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the JNCIP-ENT exam.