Alibaba ACA-Developer Exam - Topic 2 Question 86 Discussion

Actual exam question for Alibaba's ACA-Developer exam

Question #: 86
Topic #: 2

When a developer calls the Alibaba Cloud SDK to access Elastic Compute Service (ECS), the following error is returned; RealNameAuthenticationError What is the possible cause?

AThe ECS instance name violates the ECS service's naming conventions.

BThe ECS instance name conflicts with other instance names.

CThe user's Alibaba Cloud account has not passed real name authentication

DThe API callers account and password are not authorized for ECS access.

Show Suggested Answer

Suggested Answer: D

by Ernest at Jul 11, 2025, 11:42 PM

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Veta

2 months ago

I agree with C, but I wonder if there are other hidden issues too.

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Jesus

2 months ago

I think it could also be D, but C seems more likely.

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Tegan

2 months ago

It's definitely C, real name authentication is a must.

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Catarina

3 months ago

A and B are not even close, it's all about the account status.

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Eileen

3 months ago

Wait, is real name authentication really that strict?

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Zita

3 months ago

I vaguely remember something about account verification being crucial for ECS access. So, I think option C makes the most sense here.

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Raelene

3 months ago

I thought the error was about naming conventions, but I can't recall if that's really tied to real name authentication. Option A seems off to me.

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Marjory

4 months ago

I'm not entirely sure, but I feel like I came across a similar question where account permissions were the issue. So, maybe option D could also be a possibility?

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Tomas

4 months ago

I remember studying about real name authentication, and I think it might be related to option C. If the account isn't verified, that could definitely cause issues.

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Nenita

4 months ago

Hmm, I'm not too familiar with Alibaba Cloud, so I'll need to think through the different possibilities here. I'll make sure to read the question thoroughly and consider each option.

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Maryann

4 months ago

Based on the options, I'm leaning towards C - the user's Alibaba Cloud account has not passed real name authentication. That seems the most likely explanation for this specific error.

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Benedict

4 months ago

I'm a bit confused - is this an issue with the ECS instance name, or with the user's Alibaba Cloud account? I'll need to re-read the question carefully.

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Kris

5 months ago

Okay, the error message mentions "RealNameAuthenticationError", so that seems like the key clue to focus on.

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Jerry

5 months ago

Hmm, this looks like a tricky one. I'll need to think carefully about the possible causes here.

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Therese

5 months ago

C) The user's Alibaba Cloud account has not passed real name authentication. Well, that's a real-name shame, isn't it?

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Janna

5 months ago

Better fix that to avoid future problems.

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Theron

5 months ago

Real-name authentication is important!

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Tyisha

5 months ago

Sounds like an ID issue.

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Staci

5 months ago

Yeah, they need to verify their account.

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Beth

6 months ago

B) The ECS instance name conflicts with other instance names. Wait, really? I thought it was because the developer forgot to shout Abracadabra! before calling the SDK.

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Ivette

6 months ago

D) The API callers account and password are not authorized for ECS access. Gotta make sure your credentials are set up properly, otherwise you're not getting anywhere.

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Reuben

5 months ago

A) The ECS instance name violates the ECS service's naming conventions.

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Candra

6 months ago

C) The user's Alibaba Cloud account has not passed real name authentication. That's the only thing that makes sense here. Real name authentication is required for certain actions in Alibaba Cloud.

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