JNCIS-ENT BGP Practice Question
An administrator wants to gracefully restart a BGP routing daemon without dropping the underlying TCP session or causing traffic loss. Which Junos feature should be enabled?
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
✓
BGP Graceful Restart
Graceful Restart allows a BGP speaker to express its ability to preserve forwarding state while restarting the control plane.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Nonstop Active Routing (NAR)
Why it's wrong here
NAR requires dual Routing Engines (REs), whereas Graceful Restart works on single-RE platforms for peer survival.
- ✗
TCP MD5 Signature bypass
Why it's wrong here
This is not a feature.
- ✗
BGP Bidirectional Forwarding Detection (BFD)
Why it's wrong here
BFD speeds up failure detection, it does not provide graceful restart capabilities.
- ✓
BGP Graceful Restart
Why this is correct
Graceful Restart enables helper mode and restart capabilities to maintain forwarding during control plane reboots.
About these practice questions
Courseiva writes every JNCIS-ENT question from scratch — 506 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 JNCIS-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 JNCIS-ENT exam.