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Alibaba ACA-Operator Exam - Topic 3 Question 100 Discussion

Posted by Edda on Jun 18, 2026 at 06:40 PM

In Alibaba Cloud, a developer finds that the ECS instance he created does not

have public IP assigned. The API method used was ''CreateInstance''. Which

of the following is the most likely reason?

Suggested Answer: A

https://www.alibabacloud.com/help/doc-detail/25544.htm


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12 comments · newest first
EL
Elvera 2 months ago
I’m not so sure. B could be a factor too, but A feels right.
DE
Deonna 3 months ago
Agreed, A makes the most sense. No public IP without that call.
RO
Rosann 3 months ago
I think it's A. You need to allocate a public IP separately.
OR
Ora 3 months ago
Wait, are you sure about A? That seems a bit odd.
RO
Roy 3 months ago
I disagree, D doesn't make sense here.
CH
Cherilyn 3 months ago
No way it's B or C, those aren't related to IP assignment.
FR
Franchesca 3 months ago
I thought it was automatic, but I guess not!
SH
Sharee 4 months ago
Definitely A, you need to allocate a public IP separately.
EL
Elvis 4 months ago
I don't think restarting the ECS instance would affect the public IP assignment, so I'm leaning towards A as well.
LA
Lashon 4 months ago
I practiced a similar question where the public IP was also a separate step. Could it be A again?
TI
Tiera 4 months ago
I'm not entirely sure, but I feel like the security group might not be related to the public IP issue. Maybe it's A?
RE
Remedios 4 months ago
I remember reading that you need to explicitly allocate a public IP after creating an instance, so I think A is the right answer.
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