Which of these statements about the Publisher-Subscriber pattern utilized by Cloud Pub/Sub is TRUE?

• Publisher applications can receive messages from a topic.
• Subscriber applications can subscribe to a topic to receive the message when the subscriber is ready.
• Publisher applications can send messages to a subscriber.
• Subscriber applications can send messages on a topic directly to publisher applications.

The correct answer is:

• Subscriber applications can subscribe to a topic to receive the message when the subscriber is ready.

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Sources: Google Cloud Platform Business Professional Accreditation Certification Course

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