Alibaba Cloud Certified Associate (ACA) Practice Test 2025 – Complete All-in-One Guide for Exam Success!

ApsaraDB for Redis is a fully managed Redis service provided by Alibaba Cloud, specifically designed for data storage and retrieval. The correct answer highlights the service's capability of offering data retrieval at low latency, which is a fundamental characteristic of Redis as an in-memory data store. This low-latency access is crucial for applications that require fast response times, such as web applications, caching layers, session management, and real-time data management.

The other options do not accurately reflect the primary capabilities of ApsaraDB for Redis. While file storage solutions refer to object or block storage services, that does not apply to ApsaraDB for Redis. Enhancing online gaming performance could be a secondary benefit of low-latency data access but is not the main description of its role. Real-time analytics and processing are typically associated with technologies specifically designed for analytics, rather than a caching system like Redis, which primarily focuses on data retrieval and storage efficiency.