Q16 Redis Domain 2 · 25–30% of exam

What is the Azure Cache for Redis Enterprise Flash tier's primary advantage over Enterprise RAM?

  1. A Lower latency
  2. B Lower cost for large datasets by using NVMe SSD for cold data alongside RAM for hot data (correct answer)
  3. C Better persistence
  4. D More shard count

Shortcut: Enterprise Flash extends memory capacity using NVMe SSDs. Hot data stays in RAM; cold data is stored on Flash. This enables large dataset sizes at significantly lower cost per GB.