FC0-U71 Data and Database Fundamentals Practice Question
Which TWO of the following are examples of popular relational database management systems (RDBMS)? (Select 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
✓
MySQL
MySQL and PostgreSQL are both widely used relational databases.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Cassandra
Why it's wrong here
Cassandra is a wide-column NoSQL database.
- ✓
MySQL
Why this is correct
Correct. MySQL is a popular RDBMS.
- ✗
MongoDB
Why it's wrong here
MongoDB is a NoSQL document database.
- ✓
PostgreSQL
Why this is correct
Correct. PostgreSQL is a popular RDBMS.
- ✗
Redis
Why it's wrong here
Redis is a key-value NoSQL store.
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