Free Google Professional-Data-Engineer Exam Questions

A data analyst currently has the bigquery.dataViewer role and can successfully query a materialized view. They also want to be able to refresh the materialized view. You want to use a predefined role but not grant them any more permissions than needed to refresh the materialized view. What predefined role would you grant to the user?

You are building a model to make clothing recommendations. You know a user’s fashion preference is likely to change over time, so you build a data pipeline to stream new data back to the model as it becomes available. How should you use this data to train the model?

Messages are unexpectedly accumulating in service using Cloud Pub/Sub. A developer unfamiliar with Cloud Pub/Sub has asked for our help in diagnosing the problem. What would you point out with respect to how messages are removed from Cloud Pub/Sub topics?

When you store data in Cloud Bigtable, what is the recommended minimum amount of stored data?

You are consulting to a company developing an IoT application that analyzes data from sensors deployed on drones. The application depends on a database that can write large volumes of data at low latency. The company has used Hadoop HBase in the past but wants to migrate to a managed database service. What service would you recommend?