JNCIA-DevOps NETCONF And XML API Practice Question
Which TWO statements are true regarding NETCONF locking mechanisms on Junos devices? (Choose two)
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
✓
If a NETCONF session terminates unexpectedly, any locks held by that session are automatically released by the device.
Locks prevent concurrent configuration edits and can be released via explicit unlock or session termination.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
If a NETCONF session terminates unexpectedly, any locks held by that session are automatically released by the device.
Why this is correct
The device releases locks when the owning session disconnects.
- ✗
Multiple concurrent NETCONF sessions can obtain exclusive write locks on the candidate datastore at the same time.
Why it's wrong here
Exclusive locks prevent other sessions from acquiring locks simultaneously.
- ✓
Locking the candidate datastore prevents other users or automation scripts from making conflicting changes.
Why this is correct
Datastore locking ensures serial execution and prevents race conditions.
- ✗
Locks can only be released by rebooting the Routing Engine.
Why it's wrong here
Locks are released via <unlock> or session closure.
- ✗
Locking is strictly mandatory for every single <get-config> request.
Why it's wrong here
Read operations do not require locks.
About these practice questions
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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-DevOps 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-DevOps exam.