Google Cloud Professional Data Engineer PDE — Topic 1 Question 29

Question

Your company is streaming real-time sensor data from their factory floor into Bigtable and they have noticed extremely poor performance. How should the row key be redesigned to improve Bigtable performance on queries that populate real-time dashboards?

Accepted Answer

Correct answer: D. The correct answer is D. Option D: Use a row key of the form ># #. This option meets the real-time / low-latency performance requirement.

Google Cloud Professional Data Engineer PDE — Question 29