Free AWS Cloud Practitioner CLF-C02 Actual Exam Questions – Edition - Question 10 Discussion

B tbh, the question specifically asks about Amazon RDS compatibility, which mainly covers relational database engines. Apache Cassandra (A), MongoDB (B), and Neo4j (C) are NoSQL or graph databases and don’t run on RDS. PostgreSQL (D) is one of the core relational engines supported in RDS, so it fits perfectly. The others might be offered in other AWS managed services but not under RDS itself.

That lines up with what I know—Amazon RDS supports traditional relational DBs, so D is the clear choice since the others are not part of RDS offerings.

Option D seems right because Amazon RDS mainly supports relational databases, and PostgreSQL is a popular one there. The others like Cassandra, MongoDB, and Neo4j are more specialized or NoSQL and aren’t part of RDS offerings. So, it’s not just about what’s popular but what RDS actually supports out of the box.

D imo, but another way to see it is by elimination. Apache Cassandra, MongoDB, and Neo4j aren’t supported directly on RDS since it focuses on traditional relational databases. PostgreSQL is a classic RDS option, so it makes the most sense here.

Probably D, PostgreSQL fits with Amazon RDS.