About This Domain
Domain 4 — Integrating Services — accounts for ~19% of the PCD certification exam. This domain evaluates your understanding of pub/sub for async messaging, cloud tasks for reliable task execution, firestore for nosql data, and related concepts. Service integration patterns. 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
- Pub/Sub for async messaging
- Cloud Tasks for reliable task execution
- Firestore for NoSQL data
- Memorystore for caching
Key Google Cloud Services in This Domain
Study Strategy for Domain 4
This domain represents ~19% of the total exam, making it a significant scoring area. Balance theoretical study with hands-on practice.
Exam Tips for Domain 4
Pub/Sub for real-time events. Cloud Tasks for deferred/scheduled work.
Frequently Asked Questions
How many questions on the PCD exam come from Domain 4?
Domain 4 (Integrating Services) makes up ~19% of the PCD exam, approximately 16 questions.
What services should I focus on for Domain 4?
Key services include Integrating Services.
How should I prepare for Integrating Services 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 PCD domains?
Many candidates start with the highest-weighted domains first: Designing Cloud-Native Applications (~25%), Building and Testing (~21%), Deploying Applications (~20%), Integrating Services (~19%), Managing Performance (~15%).
Practice Domain 4 Questions
Test your knowledge of Integrating Services with practice questions from our PCD question bank.
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