Oracle
1Z0-900 · Question #28
1Z0-900 Question #28: Real Exam Question with Answer & Explanation
Sign in or unlock 1Z0-900 to reveal the answer and full explanation for question #28. The question stem and answer options stay visible for context.
Use Java Message Service API
Question
You are working with JMS publish-subscribe operations. What happens when a producer publishes a message to a topic for which a durable subscription exists but there are no subscribers available?
Options
- AThe publisher waits for a subscriber, who then consumes it. However, the publisher will time out if
- BThe publisher sends the message. However, it is never consumed because there wasn't anything
- CThe publisher successfully sends a message, which will be consumed later, once there is a
- DThe message publisher is immediately notified about the lack of subscribers and can decide for
Unlock 1Z0-900 to see the answer
You've previewed enough free 1Z0-900 questions. Unlock 1Z0-900 for full answers, explanations, the timed quiz mode, progress tracking, and the master PDF. Question stem and options stay visible so you can still see what's on the exam.
Topics
#JMS#Pub-Sub Messaging#Durable Subscriptions#Message Persistence