JNCIS-ENT Spanning Tree Practice Question
You want to disable spanning tree protocol entirely on a specific access interface (ge-0/0/10.0) of an EX Series switch while keeping RSTP active globally. Which configuration command achieves this?
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 rstp interface ge-0/0/10.0 disable
To disable RSTP on a specific interface while running it globally, you can deactivate or disable the interface under the rstp protocols hierarchy, or configure it appropriately. In Junos, you can use 'disable' under protocols rstp interface.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
delete protocols rstp
Why it's wrong here
This disables RSTP globally across the entire switch.
- ✓
set protocols rstp interface ge-0/0/10.0 disable
Why this is correct
This command disables RSTP on the specified interface while leaving it active on other ports.
- ✗
set interfaces ge-0/0/10.0 spanning-tree disable
Why it's wrong here
Incorrect hierarchy path for Junos.
- ✗
set protocols rstp interface ge-0/0/10.0 mode off
Why it's wrong here
'mode off' is not a valid Junos RSTP option.
Visual reference
About these practice questions
This JNCIS-ENT question is part of Courseiva's 506-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam 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.