Designing network, storage, and compute resources.

18 practice questions under this official exam objective (PCA), each with the answer key, an option-by-option explanation and instant feedback.

Questions under this objective

18 total · page 1 of 1
PCA S-grade

Surviving a Zone Outage With SQL Server on GCP

This PCA question tests zero-downtime SQL Server availability across GCP zones, where Always On Availability Groups with nodes in different zones (D)

279 comments
PCA S-grade

Multi-Regional vs Regional Cloud Storage for Global Software Downloads

This PCA question tests whether globally downloaded rendering software belongs in a Multi-Regional Cloud Storage bucket or a regional/zonal bucket arr

203 comments
PCA S-grade

Optimizing Data Transfer for ETL with Cellular Connections

This question evaluates the best storage location strategy to minimize latency and maximize reliability for cellular data uploads destined for an ETL

115 comments
PCA A-grade

Cost-effective, highly reliable web app with Cloud Load Balancing

This PCA scenario asks how to architect a highly reliable web application with a few public APIs, low baseline traffic, and occasional spikes, while l

110 comments
PCA A-grade

Cost-Effective Dataproc Job Over Regional GCS Telemetry

TerramEarth stores vehicle telemetry in US, Europe, and Asia regional GCS buckets, and the cheapest way to analyze it all is to preprocess and compres

67 comments
PCA A-grade

Best Google Database for User Profiles Migration

Determining the optimal database for migrating user profiles requires evaluating data structure and scale, with Cloud Datastore being the ideal NoSQL

66 comments
PCA A-grade

Which Database Fits the Meeting-Room Sensor Data?

This PCA question asks which database suits 1,000 meeting-room motion sensors streaming discrete fields that analysts must combine with owner and offi

61 comments
PCA A-grade

Choosing Storage for High-Volume Clickstream Data

This Google Cloud Professional Cloud Architect question asks which storage infrastructure should ingest a continuous clickstream (6,000 clicks per min

57 comments
PCA A-grade

Which Google Cloud Service Unifies Batch and Stream Processing

For a company with no existing code that must run both hourly batch jobs and live stream processing, Google Cloud Dataflow is the intended choice beca

55 comments
PCA A-grade

Migrating 10TB Database to Cloud Storage via Network

This question addresses the optimal method for migrating a 10-TB dataset over a 1 Gbps connection, highlighting the trade-offs between online CLI tool

48 comments
PCA A-grade

Which Storage Class After 30 Days for Financial Data

This PCA storage-design question tests Cloud Storage storage classes and Object Lifecycle Management for a five-year financial transaction dataset wit

10 comments
PCA S-grade

Optimizing Cost and Persistence for Interruptible Batch AI Workloads on Google Cloud

This page explains why Spot VMs with Persistent Disks and checkpointing are the optimal solution for cost-effective, interrupt-tolerant batch AI proce

6 comments
PCA A-grade

Regional MIG Design to Survive Zonal Outage at Lowest Cost

This PCA design question asks for the cheapest architecture that survives a complete zonal outage for a payment-processing application. A regional man

5 comments
PCA A-grade

Disaster Recovery Strategy for EHR with RTO/RPO Constraints

This question addresses designing a disaster recovery strategy for a healthcare application requiring strict RTO and RPO compliance. It establishes th

3 comments
PCA A-grade

Which Storage Option Gives Highest Throughput for Hundreds of VMs?

This PCA question asks which Google Cloud storage design gives hundreds of Compute Engine VMs concurrent, low-latency, high-throughput shared file acc

2 comments
PCA A-grade

Dataflow and BigQuery for real-time and batch fraud analytics

For a global financial services provider that must combine real-time credit card fraud detection with heavy batch reporting, the PCA design answer is

2 comments
PCA A-grade

Cloud SQL Disaster Recovery Strategy for Regional Outages

Designing a Cloud SQL disaster recovery strategy for regional outages requires meeting strict RTO/RPO targets. The recommended solution uses cross-reg

1 comment
PCA A-grade

Cloud Run Multi-Region App with Spanner as Relational Store

This PCA design question asks how to host a write-heavy, containerized web application across multiple Google Cloud regions with a relational datastor

1 comment