Discuss Arcitura Education S90.08 Exam Topic 2 Question 127

Based on the publisher and subscriber roles established by the application of the Event-Driven Messaging pattern, which of the following statements are true?

Aa service, acting as a publisher, issues event notification messages to an event management program that is responsible for broadcasting the messages

Ba service consumer, acting as a subscriber, can selectively subscribe to specific events

Can intermediate event management program enters the role of subscriber when accepting event subscriptions

Dupon receiving a message associated with an event that a service consumer subscribed to, the service consumer enters the publisher role

Suggested Answer: A, B

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13 comments · newest first

Shawn 2 months ago

D seems wrong. Subscribers don’t become publishers.

Gary 2 months ago

C is tricky. Can an event manager really be a subscriber?

Olive 2 months ago

B makes sense too. Subscribers should choose events.

Junita 3 months ago

I think A is true. Publishers send notifications, right?

Rodrigo 3 months ago

I think A and B are solid, but C and D are questionable.

Brigette 3 months ago

Wait, D doesn't make sense. How can a subscriber become a publisher?

Yolande 3 months ago

C seems off, the event manager shouldn't be a subscriber.

Ellen 3 months ago

Totally agree with B, selective subscriptions are key!

Laila 3 months ago

A is true, the publisher sends out notifications.

Lucina 4 months ago

For D, I feel like that can't be right. A service consumer shouldn't become a publisher just because they received a message, right?

Marvel 4 months ago

I'm a bit confused about C; I thought the event management program just relayed messages rather than acting as a subscriber itself.

Eliz 4 months ago

I remember practicing a question similar to this, and I think B is definitely true since subscribers can choose which events to listen to.

Lynsey 4 months ago

I think option A sounds right because publishers do send out notifications, but I'm not entirely sure about the specifics of the event management program.

Arcitura Education S90.08 Exam - Topic 2 Question 127 Discussion