Google Professional Data Engineer Exam
(AGACNP-C) 2026–2027 |
Comprehensive Question Practice Test
with Answers & Rationales| Free Pdf
Access
1. A Google Professional Data Engineer is primarily responsible for:
A. Designing, building, securing, and managing scalable data processing systems on Google
Cloud
B. Developing Android applications
C. Managing desktop operating systems
D. Repairing physical servers
Correct Answer: A
Rationale: Data Engineers design and maintain data pipelines and analytics platforms that
transform raw data into actionable insights.
2. The first step when designing a data solution is to:
A. Understand business requirements and data objectives
B. Deploy BigQuery
C. Train a machine learning model
,D. Configure Cloud VPN
Correct Answer: A
Rationale: Business requirements determine architecture, storage, processing, and
analytics decisions.
3. Which Google Cloud service is Google's fully managed enterprise data
warehouse?
A. BigQuery
B. Cloud SQL
C. Cloud Storage
D. Memorystore
Correct Answer: A
Rationale: BigQuery is Google's serverless, highly scalable analytics data warehouse.
4. Which BigQuery characteristic makes it highly scalable?
A. Serverless architecture
B. Manual cluster management
C. Fixed compute capacity
D. Dedicated physical hardware
Correct Answer: A
Rationale: BigQuery automatically manages infrastructure and scales resources.
5. Which Google Cloud storage service is best suited for storing large
unstructured datasets?
,A. Cloud Storage
B. Cloud SQL
C. Spanner
D. Memorystore
Correct Answer: A
Rationale: Cloud Storage provides durable object storage for structured and unstructured
data.
6. Which storage solution is optimized for globally distributed relational
databases?
A. Cloud Spanner
B. BigQuery
C. Cloud Storage
D. Pub/Sub
Correct Answer: A
Rationale: Cloud Spanner offers horizontally scalable relational databases with strong
consistency.
7. Which Google Cloud database is best suited for transactional workloads?
A. Cloud SQL
B. BigQuery
C. Pub/Sub
D. Dataflow
, Correct Answer: A
Rationale: Cloud SQL supports transactional relational databases.
8. Which database is optimized for large-scale NoSQL workloads?
A. Bigtable
B. Cloud SQL
C. BigQuery
D. Firestore only
Correct Answer: A
Rationale: Bigtable provides low-latency, high-throughput NoSQL storage.
9. Which Google Cloud service provides globally distributed messaging?
A. Pub/Sub
B. BigQuery
C. Cloud SQL
D. Cloud DNS
Correct Answer: A
Rationale: Pub/Sub supports asynchronous event-driven messaging.
10. Which processing type analyzes data immediately after it arrives?
A. Streaming Processing
B. Batch Processing
C. Archive Processing
(AGACNP-C) 2026–2027 |
Comprehensive Question Practice Test
with Answers & Rationales| Free Pdf
Access
1. A Google Professional Data Engineer is primarily responsible for:
A. Designing, building, securing, and managing scalable data processing systems on Google
Cloud
B. Developing Android applications
C. Managing desktop operating systems
D. Repairing physical servers
Correct Answer: A
Rationale: Data Engineers design and maintain data pipelines and analytics platforms that
transform raw data into actionable insights.
2. The first step when designing a data solution is to:
A. Understand business requirements and data objectives
B. Deploy BigQuery
C. Train a machine learning model
,D. Configure Cloud VPN
Correct Answer: A
Rationale: Business requirements determine architecture, storage, processing, and
analytics decisions.
3. Which Google Cloud service is Google's fully managed enterprise data
warehouse?
A. BigQuery
B. Cloud SQL
C. Cloud Storage
D. Memorystore
Correct Answer: A
Rationale: BigQuery is Google's serverless, highly scalable analytics data warehouse.
4. Which BigQuery characteristic makes it highly scalable?
A. Serverless architecture
B. Manual cluster management
C. Fixed compute capacity
D. Dedicated physical hardware
Correct Answer: A
Rationale: BigQuery automatically manages infrastructure and scales resources.
5. Which Google Cloud storage service is best suited for storing large
unstructured datasets?
,A. Cloud Storage
B. Cloud SQL
C. Spanner
D. Memorystore
Correct Answer: A
Rationale: Cloud Storage provides durable object storage for structured and unstructured
data.
6. Which storage solution is optimized for globally distributed relational
databases?
A. Cloud Spanner
B. BigQuery
C. Cloud Storage
D. Pub/Sub
Correct Answer: A
Rationale: Cloud Spanner offers horizontally scalable relational databases with strong
consistency.
7. Which Google Cloud database is best suited for transactional workloads?
A. Cloud SQL
B. BigQuery
C. Pub/Sub
D. Dataflow
, Correct Answer: A
Rationale: Cloud SQL supports transactional relational databases.
8. Which database is optimized for large-scale NoSQL workloads?
A. Bigtable
B. Cloud SQL
C. BigQuery
D. Firestore only
Correct Answer: A
Rationale: Bigtable provides low-latency, high-throughput NoSQL storage.
9. Which Google Cloud service provides globally distributed messaging?
A. Pub/Sub
B. BigQuery
C. Cloud SQL
D. Cloud DNS
Correct Answer: A
Rationale: Pub/Sub supports asynchronous event-driven messaging.
10. Which processing type analyzes data immediately after it arrives?
A. Streaming Processing
B. Batch Processing
C. Archive Processing
