
Google CloudProfessional Data Engineer
Domain 3Objective 1
3.1 Selecting Storage Systems PROFESSIONAL-DATA-ENGINEER Practice Questions (Page 4)
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 16–20
- 16
A data engineer is evaluating storage options for a new application. The workload is characterized by frequent small writes, occasional large batch reads, and a requirement for sub-millisecond latency on point lookups. Which aspect of the data access pattern is most directly influencing the choice of storage system?
Select an answer first - 17
A company wants to automatically move objects that have not been accessed for 90 days to a lower-cost storage class. Which Cloud Storage feature should be used?
Select an answer first - 18
A logistics company tracks the location of millions of delivery vehicles. Each vehicle sends a location update every 5 seconds. The data is a time-series with a key of (vehicle_id, timestamp). The company needs to ingest this high-volume stream and run queries like 'get the last known location of vehicle X' and 'get the path of vehicle X over the last hour'. Which storage system is best suited?
Select an answer first - 19
A workload requires a NoSQL database that can handle millions of writes per second with low latency, and does not require SQL queries or multi-row transactions. Which Google Cloud service is the best fit?
Select an answer first - 20
An organization wants to build a unified data lake that combines structured and unstructured data, with fine-grained access control and the ability to query the data using BigQuery. Which Google Cloud service provides this unified data lake capability?
Select an answer first
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