JNCIA-DevOps Data Serialization Practice Question
Which TWO features are supported by YAML but are notably absent in standard JSON? (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
✓
Anchors and aliases for data reuse within the document.
YAML supports comments and anchors/aliases, whereas standard JSON supports neither.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Native browser execution support without parsing libraries.
Why it's wrong here
Incorrect. Neither format executes natively without parsers.
- ✗
Strict enforcement of double quotes on all string keys.
Why it's wrong here
Incorrect. JSON enforces quotes, while YAML does not.
- ✗
Strict indentation-based block scoping.
Why it's wrong here
Incorrect. JSON does not use indentation-based block scoping.
- ✓
Anchors and aliases for data reuse within the document.
Why this is correct
Correct. YAML supports anchors (&) and aliases (*) for DRY data structures.
- ✓
Native support for comments using the hash (#) symbol.
Why this is correct
Correct. Comments are supported in YAML but not standard JSON.
About these practice questions
This JNCIA-DevOps question is part of Courseiva's 306-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 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.