Alibaba Exam ACA-Cloud1 Topic 5 Question 73 Discussion

Actual exam question for Alibaba's ACA-Cloud1 exam

Question #: 73
Topic #: 5

Alibaba Cloud Object Storage Service (OSS) is a massive, highly available, secured and cost effective storage service. One of the special characteristics of OSS is its superior data reliability, because of its underlying backup technology and policies. Which of the following statement about OSS backup is correct?

AOSS supports 3 internal data copies, so the data can be manually recovered should there be any problem.

BCustomer has to safeguard their own data. OSS provides various backup interfaces to facilitate offsite backups.

COSS leverages RAID0+1 configuration of its underlying physical hard disks. There is no impact even if 2 hard disks were to fail simultaneously.

DOSS supports 3 internal data copies, no human intervention is required to recover the data when anything goes wrong.

Show Suggested Answer

Suggested Answer: B

by Gertude at Sep 15, 2024, 06:16 AM

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Carey

10 days ago

Haha, Option B is like asking the customer to be their own IT department. OSS is supposed to handle the heavy lifting, not me!

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Ivette

13 days ago

This question is a no-brainer. Of course, Option D is the correct answer. OSS is like a data fortress - impenetrable!

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Nancey

14 days ago

Option C is interesting, but I'm not sure RAID0+1 is sufficient for the kind of data reliability OSS is known for.

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Devora

19 hours ago

I think option C is pretty impressive, RAID0+1 sounds solid.

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2 months ago

I think the correct statement is D.

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