A company is building a mobile application and needs to select two AWS database services. They require a NoSQL database to store key-value user preferences with single-digit millisecond latency, and an in-memory database cache to speed up reads of frequently accessed data. Which TWO services should the company select?
- Amazon DynamoDBAnswer
- Amazon ElastiCacheAnswer
- CAmazon Aurora
- DAmazon Redshift
- EAmazon Neptune
Answer
Amazon DynamoDB and Amazon ElastiCache are the correct choices.
Amazon DynamoDB and Amazon ElastiCache are correct. Amazon DynamoDB is a managed NoSQL database service providing single-digit millisecond response times for key-value data, while Amazon ElastiCache is an in-memory cache service designed to accelerate read-heavy database workloads.
Step-by-Step Solution
Key Concept
AWS Database Types and Services selection based on use cases (NoSQL key-value vs. In-memory caching)
Estimated Time:45s