Storage & databases
23 practice questions with explanations — 15 free to try
PassNova has 23 AWS Solutions Architect (SAA-C03) practice questions on Storage & databases, each with a clear explanation. A 15-question taster is free with no sign-up; the full bank is part of PassNova Premium. Updated for 2026.
Storage & databases: example questions & answers
2 worked examples with answers and explanations below. Try 15 AWS Solutions Architect (SAA-C03) questions free in the browser; the full 23-question Storage & databases bank is part of PassNova Premium.
A company requires a fully managed NoSQL database that delivers single-digit millisecond performance at any scale with no server management. Which service should they choose?
- AAmazon RDS
- BAmazon DynamoDB✓
- CAmazon Redshift
- DAmazon Aurora
Answer: Amazon DynamoDB is a fully managed, serverless NoSQL database providing single-digit millisecond latency at virtually any scale without infrastructure management.
A company needs shared file storage that can be mounted concurrently by hundreds of Linux EC2 instances across multiple Availability Zones. Which service is appropriate?
- AAmazon EBS
- BAmazon S3
- CInstance store
- DAmazon EFS✓
Answer: Amazon EFS provides a fully managed, elastic NFS file system that can be mounted by many EC2 instances across multiple AZs simultaneously, unlike EBS which attaches to one instance per AZ.