JNCIA-SEC Junos OS Security Objects Practice Question
You need to configure a custom application that matches UDP traffic on a range of destination ports from 5000 to 5010. How should you specify this range in the application configuration?
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
✓
set applications application CUSTOM-UDP protocol udp destination-port 5000-5010
Custom application port ranges are configured using destination-port with a hyphenated range.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
set applications application CUSTOM-UDP protocol udp destination-port 5000-5010
Why this is correct
Junos application configuration accepts hyphenated port ranges for destination ports.
- ✗
set firewall filter CUSTOM term 1 then port-range 5000-5010
Why it's wrong here
This is firewall filter syntax.
- ✗
set applications application CUSTOM-UDP udp port range 5000 to 5010
Why it's wrong here
This is incorrect syntax.
- ✗
set security applications CUSTOM-UDP proto udp ports 5000-5010
Why it's wrong here
Incorrect syntax hierarchy.
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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.