JNCIA-SEC Junos OS Security Objects Practice Question
An enterprise network uses multiple virtual routers. Can security zones span across different virtual routers on the same SRX Series device?
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
✓
No, security zones are tied to interfaces, and interfaces belong to a single routing instance.
Security zones are bound to interfaces, and interfaces belong to specific routing instances (virtual routers). Therefore, a single security zone cannot span across multiple virtual routers.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
No, security zones are tied to interfaces, and interfaces belong to a single routing instance.
Why this is correct
Each virtual router maintains its own routing and security zone namespace context.
- ✗
Yes, provided the virtual routers are interconnected by internal tunnels.
Why it's wrong here
Security zones cannot span multiple virtual routers directly regardless of tunnels.
- ✗
No, unless logical systems (Logical Systems) are configured on the SRX device.
Why it's wrong here
Logical systems separate configurations further, but virtual routers within the same instance still restrict zone sharing.
- ✗
Yes, by defining the security zone at the global routing instance level.
Why it's wrong here
Security zones are defined under security configuration, but interfaces must be in a single routing instance.
About these practice questions
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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 JNCIA-SEC 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 JNCIA-SEC exam.