Alibaba Cloud Object Storage Service (OSS) Is a Massive, Highly

question 43

Multiple Choice

Alibaba Cloud Object Storage Service (OSS) is a massive, highly available, secured and cost effective storage service. OSS is superior than self-built storage in all these aspects. Which of the following advantage relates to the high availability of OSS?

• A) Availability actually relies on the underlying hardware, which can break down easily. Once the hard disk malfunctions, it can also lead to permanent data loss.
• B) Data Reliability is not less than 99.99999999%. Data is backed up automatically with multiple redundant copies.
• C) Data has to be backed up by customer manually, which is time-consuming and labor-intensive.
• D) The following features are available: Multiple Authentication and Authorization mechanism, Whitelist, Anti-leech URL, and Master-Sub Account

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