20+ practice questions focused on Analysing and Optimising Technical and Business Processes — one of the most tested topics on the Google Professional Cloud Architect exam. Each question includes a detailed explanation so you learn why the right answer is correct.
Start Analysing and Optimising Technical and Business Processes PracticeA company is planning to migrate a large on-premises Oracle database (10 TB) to Cloud SQL for PostgreSQL. They need to minimise downtime and ensure data integrity. Which TWO services or tools should they use? (Choose TWO.)
Explanation: Database Migration Service (DMS) supports online migration from Oracle to Cloud SQL for PostgreSQL with minimal downtime by using continuous replication. Cloud SQL Auth Proxy is a tool for secure client connections to Cloud SQL instances; it is not required for the migration process itself. Cloud Dataflow is for data processing, Cloud Scheduler for job scheduling, and Migrate for Compute Engine for VM migration.
A financial services company requires a storage solution for transaction logs that must be retained for 7 years due to regulatory compliance. After 90 days, the data is rarely accessed but must be retrievable within 1 hour. After 1 year, it must be archived with retrieval within 24 hours. Which Cloud Storage lifecycle policy should they implement?
Explanation: Cloud Storage lifecycle policies allow automatic transitions between storage classes. After 90 days, data is rarely accessed but must be retrievable within 1 hour. Nearline provides low-cost storage with retrieval times in milliseconds, satisfying the 1-hour requirement. Coldline also meets retrieval times but is designed for data accessed less than once a quarter, making Nearline a better fit for this scenario where data may still be accessed occasionally. After 1 year, data must be archived with retrieval within 24 hours. Archive offers the lowest cost with retrieval times up to 15 minutes, well within the 24-hour window. Therefore, transitioning to Nearline after 90 days and then to Archive after 1 year is the correct lifecycle policy. Option A is incorrect because Coldline is intended for even less frequent access, and while it could be used, Nearline is more appropriate for the given access pattern. Options C and D do not meet the retention requirements.
An e-commerce platform uses Cloud SQL (MySQL) for its transactional database. They are experiencing performance degradation during peak hours due to high read traffic. They need to improve read throughput without modifying the application code. Which TWO actions should they take? (Choose 2)
Explanation: To improve read throughput without modifying application code, the best approaches are increasing the number of vCPUs on the primary instance (B) to handle more concurrent read operations, and enabling read replicas (E) to offload read traffic from the primary instance. Cloud SQL Auth Proxy (A) only provides a secure tunnel and does not offer connection pooling; connection pooling requires separate middleware. Using Memorystore (C) for session data caching reduces database load but does not directly improve read throughput for transactional queries, and query caching (D) is deprecated and not recommended.
A team runs periodic BigQuery queries on a large dataset. They notice high costs due to full table scans. They want to reduce costs and improve query performance. Which two actions should they take? (Choose two options that best fit the scenario.)
Explanation: This question expects two correct answers. Partitioning by a date/timestamp column (B) allows queries to prune partitions and scan less data. Clustering on frequently filtered columns (D) organizes data by those columns, further reducing the amount scanned. Using SELECT * only when necessary (A) is a best practice but not as impactful as partitioning and clustering, and materialized views (C) pre-aggregate but are not the primary recommendation for reducing full table scans in this scenario.
A company wants to reduce egress costs from Google Cloud when serving static content to users worldwide. They also need to ensure low latency for global users. Which TWO actions should they take? (Choose 2)
Explanation: Cloud CDN caches content at edge locations, reducing egress from the origin and providing low latency. Premium tier network improves performance but does not reduce egress costs; it is typically more expensive for internet egress. Other options like VPC Flow Logs, multi-regional buckets, or signed URLs do not directly reduce egress costs.
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Practice all Analysing and Optimising Technical and Business Processes questions1. Baseline your knowledge
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2. Review every explanation
For each question — right or wrong — read the full explanation. Understanding why an answer is correct is more valuable than knowing the answer itself.
3. Focus on exam traps
Analysing and Optimising Technical and Business Processes questions on the PCA frequently use trap wording. Look for subtle differences in answers that test your precision, not just general knowledge.
4. Reach 80% consistently
Do repeated sessions until you score 80%+ three times in a row. Then move to mixed-mode practice to test cross-topic recall under realistic conditions.
The exact number varies per candidate. Analysing and Optimising Technical and Business Processes is tested as part of the Google Professional Cloud Architect blueprint. Practicing with targeted Analysing and Optimising Technical and Business Processes questions ensures you can handle any format or difficulty that appears.
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