JNCIA-DevOps NETCONF And XML API Practice Question
Which TWO statements are true regarding the NETCONF protocol hello message exchange? (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
✓
Both client and server exchange capabilities using XML elements containing URI strings.
During the initial NETCONF hello message exchange, both the client and server advertise their supported capabilities using URIs, and the session ID is assigned by the server.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The client uses the hello message to lock the configuration database before session initialization.
Why it's wrong here
Locking occurs via a separate <lock> RPC after the hello message exchange is complete.
- ✗
The client hello message must include the list of YANG modules it intends to modify during the session.
Why it's wrong here
Clients advertise capabilities, but they are not required to pre-list exact YANG modules they intend to modify.
- ✓
Both client and server exchange capabilities using XML elements containing URI strings.
Why this is correct
Capabilities are advertised inside the <capabilities> element using specific capability URIs.
- ✓
The server hello message includes a session ID attribute assigned to the NETCONF session.
Why this is correct
The <hello> element sent by the server includes a session ID which identifies the current NETCONF session.
- ✗
The hello message exchange is optional if a pre-shared SSH key is used for authentication.
Why it's wrong here
The NETCONF hello exchange is mandatory for every NETCONF session regardless of the SSH authentication method.
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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.