Google CloudProfessional Data Engineer
Domain 3Objective 1
3.1 Selecting Storage Systems PROFESSIONAL-DATA-ENGINEER Practice Questions (Page 7)
Part of the Storing the data domain, which accounts for ~20% of the PROFESSIONAL-DATA-ENGINEER exam. Google Cloud does not publish an official question count, but from its 120-minute exam (~50–80 total, ~10–16 in this domain), expect 3–4 from this objective — we provide 35 practice questions to prepare you well beyond it. (estimate)
35questions here
7free pages
12concepts
~20%of the exam
Questions 31–35
- 31
A workload requires a PostgreSQL-compatible database with extremely high performance for transactional workloads, including sub-millisecond latency and high throughput. Which Google Cloud service is the best fit?
Select an answer first - 32
A data engineer is estimating the cost of storing 10 TB of data in Cloud Storage. The data is accessed frequently for the first 30 days, then rarely. Which pricing model is most relevant to minimize cost?
Select an answer first - 33
A company must retain financial records for 7 years to comply with regulations. Which Cloud Storage feature should be used to prevent deletion of these objects before the retention period ends?
Select an answer first - 34
A data engineer is planning storage for a system that will process large files sequentially. Which performance metric is most important to consider?
Select an answer first - 35
A company is migrating a legacy on-premises application that uses advanced PostgreSQL features like partitioned tables, columnar storage, and online DDL. The application has a high-performance requirement for both transactional and analytical queries. The team wants a fully managed service that is highly compatible with PostgreSQL and offers better performance than standard managed PostgreSQL. Which service should they choose?
Select an answer first
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