JNCIS-ENT Protocol Independent Routing Practice Question
You need to isolate a set of interfaces into a separate routing table without running dynamic routing protocols inside that table. Which routing instance type should you deploy?
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
A forwarding instance or a virtual-router without protocols can work, but a virtual-router is typically used for routing table isolation, or a forwarding instance for pure FBF. To isolate interfaces with static routing only, a virtual-router instance is ideal.
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
A virtual-router instance allows static routing and interface isolation without running complex VPN protocols.
- ✗
l2vpn
Why it's wrong here
L2VPN is for Layer 2 tunneling.
- ✗
no-structural-instance
Why it's wrong here
Invalid instance type.
- ✗
nat
Why it's wrong here
NAT is not a Junos routing instance type.
About these practice questions
This JNCIS-ENT question is part of Courseiva's 506-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.