ACP-Cloud1 Exam Dumps : ACP Cloud Computing Certification

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 due to its underlying backup technology and policies. Which of the following statements about OSS backup is correct?

During a scaling activity, when Auto Scaling fails to add ECS instances into a scaling group, it will try to ensure transaction completeness and roll back the scaling activity.

For example, a scaling activity intends to create and add 20 ECS instances into the scaling group, but only 19 of them are added successfully. In this case, the entire scaling activity will be rolled back, and the 19 instances will be removed and released as well.

A startup team developed an app named “Public Image Service,” which provides image management services for e-commerce websites. The app includes a self-developed API for file uploads, queries, and deletions, and aims to manage a large number of small images with fast global access. Currently, 500 GB of images and files are uploaded daily. The team is ready to migrate all applications to Alibaba Cloud. They should at least choose Alibaba Cloud ___________________ service. (Choose three.)