JNCIA-SEC Security Policies Practice Question
Which statement correctly describes a Junos security zone requirement before you can apply a security policy referencing that zone?
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
✓
The zone must have at least one active interface assigned to it.
Before a security policy can reference a security zone, the zone must contain at least one operational interface or be defined as a functional zone.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The zone must be assigned to a virtual router routing instance.
Why it's wrong here
Zones can exist in the default routing instance without a custom virtual router.
- ✓
The zone must have at least one active interface assigned to it.
Why this is correct
A security zone must contain at least one interface to process traffic referenced by a policy.
- ✗
The zone must have screen options enabled for DoS protection.
Why it's wrong here
Screen options are optional security features and not required for policy creation.
- ✗
The zone must have an IPv4 address assigned directly to the zone context.
Why it's wrong here
IP addresses are assigned to interfaces, not directly to the zone configuration.
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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.