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Hello Emad,
Thank you for sharing your thoughts on this item. Bigtable is considered correct in this context because the exam question emphasizes the ability to capture and query large volumes of transactional records in real time, rather than enforcing strict ACID transactional consistency. Bigtable provides low‑latency, high‑throughput reads and writes, and supports atomic operations at the row level, which is sufficient for logging and querying events by product ID, user ID, and timestamp.
We recognize that the current wording may cause confusion by implying transactional guarantees. The question will be updated to focus on real‑time querying of large data records, and the revised version should be reflected on the portal soon.
Regards,
JR @ Tutorials Dojo
