Google Cloud PCA and PDE - Architecture Data Engineering BigQuery Dataflow Vertex AI

By Chris Anderson · Updated May 25, 2026

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Passing Score70%
Format100% Multiple Choice
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Catalog listing of the 5 preview questions for this quiz.

Question 1

A professional cloud architect is reviewing a GCP architecture. The application uses Compute Engine VMs with service accounts. The security team finds that all VMs use the default Compute Engine service account with `roles/editor` access. Why is this a security risk?

Answer choices

  • A. The default service account cannot be used by multiple VMs

  • B. `roles/editor` grants broad access to most GCP services; if a VM is compromised, attackers gain Editor-level access to the entire project

  • C. The default service account is shared with Google employees

  • D. VMs with service accounts cannot use Cloud Storage

Question 2

A data engineer uses Cloud Dataflow for ETL. During a job, they need to enrich incoming events with lookup data from a large static reference table (50 MB) stored in Cloud Storage. Which Apache Beam pattern efficiently handles this?

Answer choices

  • A. Join the reference data as a PCollection with CoGroupByKey

  • B. Use side inputs to broadcast the reference table to all workers

  • C. Load the reference table from Cloud Storage in each DoFn element processing

  • D. Write the reference table to Pub/Sub and join in a different pipeline

Question 3

A retail company processes 5 TB of daily transaction data in batch jobs overnight, with ad-hoc SQL queries from analysts during business hours. The architecture must minimize query costs and maximize performance for both batch and interactive queries. Which Google Cloud solution best meets this need?

Answer choices

  • A. Cloud SQL for MySQL with read replicas

  • B. Cloud Spanner with regional configuration

  • C. BigQuery with table partitioning and clustering

  • D. Cloud Bigtable with HBase API

Question 4

A data engineer designs a streaming pipeline where IoT sensors emit temperature readings every second. The pipeline must calculate the average temperature per device over the last 5 minutes using a sliding window. Which Cloud Dataflow windowing type is used?

Answer choices

  • A. Fixed (Tumbling) windows

  • B. Sliding windows

  • C. Session windows

  • D. Global windows

Question 5

A company's architecture review board requires that all GCP resources comply with CIS Benchmark policies (e.g., no public Cloud Storage buckets, no default service accounts on VMs). Which GCP feature enforces these at organization level?

Answer choices

  • A. Cloud Security Command Center (SCC)

  • B. Organization Policies with constraints

  • C. IAM Recommender

  • D. Binary Authorization