20+ practice questions focused on Designing and Planning a Cloud Solution Architecture — 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 Designing and Planning a Cloud Solution Architecture PracticeA company wants to migrate its on-premises monolithic application to Google Cloud with minimal changes. They plan to run it on a virtual machine with a predictable workload that runs 24/7 for a one-year commitment. Which compute option is MOST cost-effective?
Explanation: Committed use discounts provide significant cost savings for predictable, always-on workloads over a 1-year (or 3-year) term. While preemptible VMs are cheaper, they can be terminated at any time, making them unsuitable for a 24/7 workload. On-demand VMs are more expensive than committed use. Spot VMs are similar to preemptible but still not guaranteed.
A company is building a microservices architecture on Google Kubernetes Engine (GKE) and needs to ensure each microservice can only access specific Cloud Storage buckets. IAM permissions should be assigned at the pod level, not at the node level. What is the recommended approach?
Explanation: Workload Identity Federation allows you to assign a GCP service account to a Kubernetes service account, which is then bound to a pod. This enables fine-grained IAM permissions per pod. Node-level IAM would give all pods on the node the same permissions. Service accounts cannot be assigned directly to pods via metadata, and CSI drivers are for storage, not IAM.
A company deploys a global application on Cloud Run and uses Cloud SQL for user data. They need sub-10ms read latency for frequently accessed user profiles across regions. Traffic is unpredictable but consistently high. The database must support strong consistency. Which approach meets these requirements?
Explanation: Cloud SQL does not support global scale with strong consistency across regions; cross-region replication is asynchronous. Cloud Spanner provides global, strongly consistent reads with low latency and can handle high unpredictable traffic. Memorystore would add caching but not strong consistency against the database itself. Bigtable is not strongly consistent across regions.
A company wants to run a stateful application on Google Kubernetes Engine that requires persistent storage with high read/write performance from multiple pods simultaneously. Which storage option should they use?
Explanation: Filestore provides a fully managed NFS file share that can be mounted by multiple pods simultaneously with high performance. Persistent Disk with ReadWriteMany access mode is not supported by GKE; it supports ReadOnlyMany. Cloud Storage is object storage not suitable for POSIX-like file systems. Local SSDs are ephemeral and cannot be shared across pods.
A company needs to store archival data that is accessed less than once a year and must be retained for 10 years for compliance. The data retrieval time is not critical. Which Cloud Storage class is MOST cost-effective?
Explanation: Archive storage is the cheapest class for long-term archival data accessed less than once a year. Coldline is for 90-day access, Nearline for 30-day, and Standard for frequent access. Archive has the lowest storage cost but higher retrieval costs and minimum storage duration of 365 days.
+15 more Designing and Planning a Cloud Solution Architecture questions available
Practice all Designing and Planning a Cloud Solution Architecture questions1. Baseline your knowledge
Start with 10 questions to gauge your current understanding of Designing and Planning a Cloud Solution Architecture. This tells you whether you need a concept refresher or just practice.
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
Designing and Planning a Cloud Solution Architecture 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. Designing and Planning a Cloud Solution Architecture is tested as part of the Google Professional Cloud Architect blueprint. Practicing with targeted Designing and Planning a Cloud Solution Architecture questions ensures you can handle any format or difficulty that appears.
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