Exam AWS Certified Developer - Associate DVA-C02 topic 1 question 124 discussion

In this scenario, the metadata about the files can be stored in a DynamoDB table with a primary key based on the metadata attributes. This would enable the organization to quickly query and retrieve metadata about the files in real-time, with single-digit millisecond latency.

DynamoDB is a fully managed NoSQL database service that provides single-digit millisecond latency for read and write operations. D) Eliminated - While RDS can store metadata and index it using relational queries, it does not guarantee single-digit millisecond latency like DynamoDB.

Keyword => single-digit millisecond latency retrieval for the metadata

This appear at 17 Jun exam

A is the correct answer.

A. Amazon DynamoDB: DynamoDB is a fast and flexible NoSQL database service that provides consistent single-digit millisecond latency for data retrieval. It is well-suited for applications that require high-performance data retrieval. The metadata of the files stored in S3 can be indexed and stored in a DynamoDB table, enabling efficient and quick access for the web application. This setup allows users to quickly browse metadata and select files for download.

Amazon DynamoDB is a highly scalable and fully managed NoSQL database service that can provide fast and consistent performance at any scale. It is a suitable choice for indexing and storing metadata associated with files.