FC0-U71 Data and Database Fundamentals Practice Question
A company stores product data in a MongoDB database. Each product document contains fields like 'name', 'price', and 'tags' (an array). What type of NoSQL database is MongoDB?
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
✓
Document store
MongoDB is a document-oriented NoSQL database that stores data in JSON-like documents.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Document store
Why this is correct
MongoDB stores documents (JSON-like objects) with flexible schemas.
- ✗
Wide-column store
Why it's wrong here
Wide-column stores like Cassandra use column families.
- ✗
Graph database
Why it's wrong here
Graph databases like Neo4j focus on relationships between entities.
- ✗
Key-value store
Why it's wrong here
Key-value stores like Redis store simple key-value pairs.
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Same concept, more angles
3 more ways this is tested on FC0-U71
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. Which of the following is an example of a NoSQL database that stores data as JSON-like documents?
medium- A.MySQL
- ✓ B.MongoDB
- C.PostgreSQL
- D.SQLite
Why B: MongoDB is a document-oriented NoSQL database that stores data in BSON (binary JSON) format.
Variation 2. Which TWO of the following are examples of NoSQL database types?
medium- A.Spreadsheet
- B.Relational database
- C.Flat file
- ✓ D.Document store
- ✓ E.Key-value store
Why D: Document stores (e.g., MongoDB) and key-value stores (e.g., Redis) are NoSQL types.
Variation 3. Which of the following is an example of a NoSQL database?
medium- A.Oracle Database
- B.MySQL
- C.PostgreSQL
- ✓ D.MongoDB
Why D: MongoDB is a popular document-oriented NoSQL database.
JA
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Senior Network & Security Engineer · founder of Courseiva
This FC0-U71 practice question is part of Courseiva's free CompTIA 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 FC0-U71 exam.