Pub/Sub Streaming Architecture Quiz

1. How does Pub/Sub handle messages published to a topic with no active subscriptions?

Messages are discarded immediately

Messages are retained according to retention policy

Messages are moved to a backup topic

An error is returned to the publisher

2. In Pub/Sub, how are streaming data pipelines typically connected to BigQuery for real-time analytics?

Direct Pub/Sub to BigQuery connector

Through Dataflow as a transformation layer

Using Cloud Functions for data validation

Via Cloud Storage staging buckets

3. What is the primary use case for Pub/Sub's snapshot feature in a streaming pipeline?

Backup topic data

Seek to a saved subscription state

Create topic replicas

Compress archived messages

4. True or False: Pub/Sub supports message ordering guarantees when using message ordering keys.

True

False

5. Which metric is most important to monitor for Pub/Sub subscription health?

Message size distribution

Oldest unacked message age

Topic creation rate

Publisher latency

6. In a Pub/Sub streaming architecture, what is the role of a dead-letter topic?

Store messages that failed processing

Archive old messages

Cache frequently accessed messages

Balance load across subscribers

7. True or False: Pub/Sub automatically scales subscriptions based on message throughput.

True

False

8. Which Pub/Sub configuration parameter controls how long a message remains unacknowledged before redelivery?

Retention period

Ack deadline

Message TTL

Lease duration

9. What is a key advantage of using Dataflow with Pub/Sub for streaming pipelines?

Automatic message deduplication

Built-in exactly-once processing semantics

Simplified schema management

Reduced network latency

10. True or False: Push subscriptions in Pub/Sub require the subscriber to maintain an open connection.

True

False

11. What is the default message delivery guarantee offered by Google Cloud Pub/Sub?

Exactly-once delivery

At-least-once delivery

At-most-once delivery

Best-effort delivery

12. Which feature allows you to filter messages in Pub/Sub before they are delivered to subscribers?

Subscription filters

Message transformation

Dead-letter topics

Ack deadline adjustment

13. True or False: Pub/Sub guarantees message ordering across all subscribers of a topic.

True

False

14. In a streaming architecture, what is the primary benefit of using Pub/Sub as a decoupling layer?

Reduced message latency

Separation of producers from consumers

Lower subscription costs

Guaranteed message ordering

15. Which subscription type in Pub/Sub requires the subscriber to explicitly request messages?

Push subscription

Pull subscription

Streaming subscription

Batch subscription

16. True or False: Pub/Sub topics can only have one active subscription at a time.

True

False

17. What is the maximum retention period for messages in a Pub/Sub topic?

24 hours

7 days

30 days

90 days

18. Which Google Cloud service is commonly paired with Pub/Sub for processing streaming data in real-time?

Cloud SQL

Dataflow

Cloud Storage

Firestore

19. In Pub/Sub, what happens when a subscriber fails to acknowledge a message within the ack deadline?

The message is permanently deleted

The message is redelivered to the subscriber

The subscription is paused

The message is moved to a dead-letter topic

20. Which Pub/Sub feature allows multiple subscribers to receive the same message independently?

Message fanout using topics

Pull-based subscriptions

Message filtering

Dead-letter topics

Google Data Engineer Pub Sub Streaming Architecture Quiz

1. How does Pub/Sub handle messages published to a topic with no active subscriptions?

2.

What first name or nickname would you like us to use?

2. In Pub/Sub, how are streaming data pipelines typically connected to BigQuery for real-time analytics?

3. What is the primary use case for Pub/Sub's snapshot feature in a streaming pipeline?

4. True or False: Pub/Sub supports message ordering guarantees when using message ordering keys.

5. Which metric is most important to monitor for Pub/Sub subscription health?

6. In a Pub/Sub streaming architecture, what is the role of a dead-letter topic?

7. True or False: Pub/Sub automatically scales subscriptions based on message throughput.

8. Which Pub/Sub configuration parameter controls how long a message remains unacknowledged before redelivery?

9. What is a key advantage of using Dataflow with Pub/Sub for streaming pipelines?

10. True or False: Push subscriptions in Pub/Sub require the subscriber to maintain an open connection.

11. What is the default message delivery guarantee offered by Google Cloud Pub/Sub?

12. Which feature allows you to filter messages in Pub/Sub before they are delivered to subscribers?

13. True or False: Pub/Sub guarantees message ordering across all subscribers of a topic.

14. In a streaming architecture, what is the primary benefit of using Pub/Sub as a decoupling layer?

15. Which subscription type in Pub/Sub requires the subscriber to explicitly request messages?

16. True or False: Pub/Sub topics can only have one active subscription at a time.

17. What is the maximum retention period for messages in a Pub/Sub topic?

18. Which Google Cloud service is commonly paired with Pub/Sub for processing streaming data in real-time?

19. In Pub/Sub, what happens when a subscriber fails to acknowledge a message within the ack deadline?

20. Which Pub/Sub feature allows multiple subscribers to receive the same message independently?