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Google CloudProfessional Data Engineer

Domain 3Objective 1

3.1 Selecting Storage Systems PROFESSIONAL-DATA-ENGINEER Practice Questions (Page 6)

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 26–30

  1. 26application · medium

    A retail company runs a transactional order-management system on PostgreSQL. The current workload has moderate read/write volume, but they expect a sudden 10x increase in read-heavy traffic during holiday sales. They need to add read replicas and automate failover with minimal operational overhead. The team has no dedicated database administrators. Which service should they use?

    Select an answer first
  2. 27foundation · easy

    A team wants to offload read traffic from a primary database by caching query results. The cache must support data structures like lists and sets. Which Google Cloud service is most appropriate?

    Select an answer first
  3. 28foundation · easy

    A company wants to automatically delete log files older than 90 days from Cloud Storage. Which feature should be used?

    Select an answer first
  4. 29foundation · easy

    A workload requires ACID transactions, SQL queries with joins, and is expected to grow to a few hundred GB. Which Google Cloud managed service is the best fit?

    Select an answer first
  5. 30application · medium

    A mobile gaming company needs to store player profiles and game state. The data is a flexible JSON document that varies by game version. Players expect to see their profile updates instantly on their device and across multiple devices. The company also needs to send targeted push notifications based on player activity. Which storage solution best fits these requirements?

    Select an answer first
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