JNCIA-SEC Monitoring And Troubleshooting Practice Question
While troubleshooting a traffic drop between two security zones, an engineer wants to verify which security policy is matching a specific packet flow. Which command provides this troubleshooting capability?
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
✓
show security policy match (source-ip) (destination-ip) (application)
The security flow traceoptions feature or session detail outputs can show matching policies, but to explicitly test a policy match against a simulated packet, security flow match is used.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
show security policy match (source-ip) (destination-ip) (application)
Why this is correct
The show security policy match command allows an administrator to test which policy will evaluate to permit or deny for a given 5-tuple.
- ✗
show firewall filter match
Why it's wrong here
Firewall filters are stateless/stateful filters applied on interfaces, not the security policy engine.
- ✗
show security monitoring policy-match
Why it's wrong here
This is not the correct command syntax.
- ✗
test security policy evaluate
Why it's wrong here
This command does not exist in Junos OS.
About these practice questions
Courseiva writes every JNCIA-SEC question from scratch — 513 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or 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 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.