Which Redis module available in the Enterprise tier supports real-time search and secondary indexing (e.g., full-text search on JSON fields)?

1. A RedisJSON only
2. ✓ B RediSearch (part of Redis Stack) (correct answer)
3. C RedisGraph
4. D RedisTimeSeries

Shortcut: RediSearch (included in Redis Stack / Enterprise) provides secondary indexing, full-text search, aggregations, and vector similarity search on Redis Hash and JSON data.