Discuss Alibaba ACA-Cloud1 Exam Topic 3 Question 88

Which of the following statements about file uploading to OSS strategy is not correct?

AAll file uploading method provided by Alibaba Cloud OSS service will support resuming from break point.

BIf you are uploading some small files (<1m), you can choose using put method to be able finish uploading in one http request.

CIf you are using OSS to store some log files which are continuously being updated, you better choose
streaming method to be able to append to one existing object instead of overwriting.

DIf you need to upload very large file you better use multi-part uploading to get the capability of resuming from break point.

Suggested Answer: A

Alibaba Cloud OSS service provides different methods for file uploading, such as simple upload, multipart upload, append upload, and resumable upload1. However, not all of these methods support resuming from break point, which is a feature that allows you to resume an interrupted upload from where it left off.The only method that supports resuming from break point is resumable upload, which is based on multipart upload and uses a checkpoint file to record the upload progress2. The other methods do not support resuming from break point, and will either overwrite or append to the existing object if the upload is interrupted and retried.

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28 comments · newest first

Elenor 9 months ago

Wait, are you sure about A? That sounds too good to be true!

Eugene 10 months ago

C seems a bit off to me. Can you really append with streaming?

An 10 months ago

A is definitely not correct. Not all methods support resuming.

Louvenia 10 months ago

D is the way to go for large files, no doubt!

Shaunna 10 months ago

I agree, B is spot on for small files!

Yasuko 11 months ago

Multi-part uploading sounds right for large files, but I wonder if there's a limit on file size for the put method too.

Annamae 11 months ago

I feel like streaming for log files makes sense, but I can't recall if it really allows appending without overwriting.

Barabara 11 months ago

I remember practicing a question about file sizes and upload methods, and I think the put method is indeed for small files.

Kati 11 months ago

I think option A might be the one that's not correct, but I'm not entirely sure if all methods really support resuming.

Elke 11 months ago

Resuming from a breakpoint is important for large file uploads, so I'll pay close attention to that aspect in the options.

Miriam 12 months ago

Okay, I know the basics of OSS file uploading, so I should be able to eliminate the incorrect statement. Just need to focus on the details.

Dan 12 months ago

The key is to understand the use cases for each method and match them to the scenario described. I'll need to read the options closely.

Isadora 12 months ago

Hmm, I'm a bit unsure about the differences between the file uploading methods. Let me think this through carefully.

Ceola 1 year ago

This question seems straightforward, I think I can handle it.

Leonida 1 year ago

I agree with Ahmed. Option B is the correct answer. The other options all seem pretty reasonable to me.

Percy 1 year ago

↳ replying to Leonida

I agree, put method is efficient for small files.

Mozell 1 year ago

↳ replying to Leonida

I think option B is correct. Uploading small files using put method makes sense.

Twana 1 year ago

Haha, I bet the person who wrote this question is an OSS expert. They really know how to trip us up!

Willow 1 year ago

I agree with Alverta, statement D makes sense for uploading very large files.

Alverta 1 year ago

I believe the correct statement is D.

Ahmed 1 year ago

Option B is the right answer. For small files, the put method is the best choice to finish the upload in a single HTTP request.

Aleshia 1 year ago

↳ replying to Ahmed

It allows you to finish the upload in a single HTTP request.

Shaun 1 year ago

↳ replying to Ahmed

Yes, for small files, put method is the best choice.

Domitila 1 year ago

↳ replying to Ahmed

I think option B is the correct answer.

Jerrod 1 year ago

I think option C is not correct. The streaming method is for appending data to an existing object, not for uploading new files.

Margart 1 year ago

↳ replying to Jerrod

You're right. Option C is incorrect. The streaming method is indeed for appending data to an existing object.

Marci 1 year ago

↳ replying to Jerrod

I think option C is not correct. The streaming method is for appending data to an existing object, not for uploading new files.

Willow 1 year ago

I think the correct statement is A.

Alibaba ACA-Cloud1 Exam - Topic 3 Question 88 Discussion