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Alibaba ACA-Developer Exam - Topic 4 Question 84 Discussion

You can create an event notification rule in Message Service and push notifications to the specified consumer in the form of messages, to receive events from specified Alibaba Cloud resources. Which of the following options are correct statements about the Message Service (MS) service? (Number of correct answers: 2)
B) Message Service provides synchronous notifications to ensure the consistency between the message acknowledgment and event processing. and C) The event notification message is retained within the valid time. When you fail to receive an event message, the event notification message is retried based on the specified retry policy.
A) Event Notifications can cross regions.
D) The consumer type of the event notification message can be HTTP Server, Queue, or Topic.

Alibaba ACA-Developer Exam - Topic 4 Question 84 Discussion

Actual exam question for Alibaba's ACA-Developer exam
Question #: 84
Topic #: 4
[All ACA-Developer Questions]

You can create an event notification rule in Message Service and push notifications to the specified consumer in the form of messages, to receive events from specified Alibaba Cloud resources. Which of the following options are correct statements about the Message Service (MS) service? (Number of correct answers: 2)

Show Suggested Answer Hide Answer
Suggested Answer: B, C

by Deeanna at Jun 14, 2025, 10:01 PM

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Melodie
5 months ago
Wait, are you sure about A? I thought it was region-specific.
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King
6 months ago
I think C is correct too, the retry policy is important.
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Matthew
6 months ago
B seems off, synchronous notifications? Not really how it works.
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Emerson
6 months ago
D sounds right, I remember those consumer types!
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Kendra
6 months ago
A is true, notifications can cross regions!
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Rossana
7 months ago
I believe option D is correct because I recall that different consumer types like HTTP Server and Queue are commonly used in event notifications.
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Yong
7 months ago
I'm a bit confused about option B; I thought Message Service was more about asynchronous notifications, not synchronous ones.
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Sherell
7 months ago
I practiced a similar question, and I feel like option C is definitely true about message retention and retry policies.
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Bettina
7 months ago
I think option A might be correct since I remember something about cross-region capabilities in cloud services, but I'm not entirely sure.
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Ammie
7 months ago
This question is testing our understanding of the Message Service features. I'll need to think through each option and make sure I understand the implications before selecting the correct answers.
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Jerilyn
8 months ago
Okay, let's see. The first statement about event notifications crossing regions seems plausible. The second one about synchronous notifications is a bit confusing - I'll need to double-check that. The third one about message retention and retries sounds reasonable. And the last one about consumer types makes sense too.
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Lonny
8 months ago
Hmm, I'm a bit unsure about this one. The question is asking about the capabilities of Message Service, but there are a lot of details to consider. I'll need to read through the options carefully.
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Shaun
8 months ago
I think I've got a good handle on this. The key is to focus on the specific statements about Message Service and determine which ones are correct.
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Horace
11 months ago
Wait, so we're talking about cloud services and messages, but no one's mentioned the cloud being made of cotton candy yet? I'm disappointed.
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Nadine
10 months ago
C) The event notification message is retained within the valid time. When you fail to receive an event message, the event notification message is retried based on the specified retry policy.
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Dong
10 months ago
A) Event Notifications can cross regions.
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Winfred
10 months ago
C) The event notification message is retained within the valid time. When you fail to receive an event message, the event notification message is retried based on the specified retry policy.
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Nathalie
10 months ago
A) Event Notifications can cross regions.
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Estrella
11 months ago
Hmm, I'm not sure about option B. Synchronous notifications? Sounds like the kind of thing that would make my computer crash. I'll go with A and D.
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Paris
11 months ago
Event notifications crossing regions? That's pretty cool. I bet the data centers are really far apart. Like, on different continents or something.
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Tasia
11 months ago
I like how option C mentions the event notification message being retried based on the specified policy. That's a nice touch.
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Latia
10 months ago
C) The event notification message is retained within the valid time. When you fail to receive an event message, the event notification message is retried based on the specified retry policy.
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Charlena
10 months ago
A) Event Notifications can cross regions.
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Jacinta
11 months ago
I'm not sure about B and C. Can someone explain why they are correct?
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Carey
11 months ago
I agree with Reena. A and D make sense to me.
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Lynelle
11 months ago
B and D seem correct to me. The Message Service provides asynchronous notifications, not synchronous ones.
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Bette
11 months ago
Yes, that's right. Event Notifications can cross regions and the consumer type can be HTTP Server, Queue, or Topic.
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Matthew
11 months ago
The event notification message is retained within the valid time and retried based on the specified retry policy if not received.
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Juan
11 months ago
B and D are correct. Message Service provides asynchronous notifications, not synchronous ones.
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Percy
11 months ago
Yes, that's right. Event Notifications can cross regions and the consumer type can be HTTP Server, Queue, or Topic.
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Brock
11 months ago
B and D are correct. Message Service provides asynchronous notifications, not synchronous ones.
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Reena
12 months ago
I think A and D are correct.
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