JNCIA-DevOps Junos REST API Practice Question
Which TWO error response categories or HTTP status codes are commonly returned by the Junos REST API when client requests are malformed or unauthorized? (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
✓
401 Unauthorized
401 Unauthorized is returned for bad or missing credentials, and 400 Bad Request is returned for malformed payload syntax.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
401 Unauthorized
Why this is correct
Returned when authentication credentials are missing or invalid.
- ✓
400 Bad Request
Why this is correct
Returned when the API payload or syntax is malformed.
- ✗
202 Accepted
Why it's wrong here
202 indicates asynchronous processing, not an error condition.
- ✗
504 Gateway Timeout
Why it's wrong here
504 is typically generated by reverse proxies, not directly as a primary client request malformation error.
- ✗
100 Continue
Why it's wrong here
100 Continue is an informational response, not an error.
About these practice questions
Courseiva writes every JNCIA-DevOps question from scratch — 307 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 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.