JNCIP-ENT Interior Gateway Protocols Practice Question
You are configuring OSPF database overflow protection to prevent a router from running out of memory due to an excessive number of external LSAs in the LSDB. Which configuration enables this feature globally?
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 protocols ospf database-overflow limit 5000 external-timer 300
Database overflow protection in Junos OSPF is configured using the 'database-overflow' statement under protocols ospf, specifying the limit and external timer.
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 protocols ospf database-overflow limit 5000 external-timer 300
Why this is correct
This command configures OSPF database overflow protection with a maximum external LSA limit and recovery timer.
- ✗
set protocols ospf max-external-lsas 5000
Why it's wrong here
This is not the correct Junos keyword.
- ✗
set protocols ospf area 0.0.0.0 overflow-limit 5000
Why it's wrong here
Database overflow is a global protocol feature, not per-area.
- ✗
set routing-options ospf overflow-protection limit 5000
Why it's wrong here
Database overflow protection is configured under protocols ospf.
Visual reference
About these practice questions
One of 332 original JNCIP-ENT practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. 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 JNCIP-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 JNCIP-ENT exam.