About This Domain
Domain 3 — Storing and Managing Data — accounts for ~20% of the PDE certification exam. This domain evaluates your understanding of bigquery: analytics, columnar, serverless, cloud storage: data lake, lifecycle policies, bigtable: time-series, iot, wide-column, and related concepts. Data storage selection and management. To pass this section you need practical knowledge of how these services and patterns work together in real-world architectures.
What You'll Be Tested On
- BigQuery: analytics, columnar, serverless
- Cloud Storage: data lake, lifecycle policies
- Bigtable: time-series, IoT, wide-column
- Spanner: global relational
- Cloud SQL: regional relational
Key Google Cloud Services in This Domain
Study Strategy for Domain 3
This domain represents ~20% of the total exam, making it a significant scoring area. Balance theoretical study with hands-on practice.
Exam Tips for Domain 3
Know the storage decision tree based on structure, scale, and access patterns.
Frequently Asked Questions
How many questions on the PDE exam come from Domain 3?
Domain 3 (Storing and Managing Data) makes up ~20% of the PDE exam, approximately 16 questions.
What services should I focus on for Domain 3?
Key services include Storing & Managing.
How should I prepare for Storing and Managing Data questions?
Start by reviewing the key topics listed above, then practice with domain-specific questions. Focus on understanding real-world scenarios.
What's the best order to study the PDE domains?
Many candidates start with the highest-weighted domains first: Designing Data Processing Systems (~23%), Ingesting and Processing Data (~19%), Storing and Managing Data (~20%), Preparing Data for Analysis (~19%), Automating Data Workloads (~19%).
Practice Domain 3 Questions
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