JNCIS-ENT Protocol Independent Routing Practice Question
Which TWO routing instance types support running dynamic interior routing protocols like OSPF and IS-IS within Junos OS? (Choose two)
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
✓
virtual-router
The default routing instance and the virtual-router routing instance both support running independent dynamic routing protocols.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
virtual-router
Why this is correct
Virtual-router instances support full routing protocol suites.
- ✗
no-structural-instance
Why it's wrong here
Invalid instance type.
- ✓
Default (inet.0) instance
Why this is correct
The default routing instance supports all interior and exterior routing protocols.
- ✗
forwarding
Why it's wrong here
Forwarding instances cannot run dynamic routing protocols.
- ✗
l2vpn
Why it's wrong here
L2vpn instances are strictly for Layer 2 VPN signaling.
Visual reference
About these practice questions
This JNCIS-ENT question is part of Courseiva's 519-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. 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 JNCIS-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 JNCIS-ENT exam.