In the local high-availability solution using Huawei HyperMirror, which of the following statements is correct? (Multiple choice)

The object service uses Bucket Policy to control the access permissions of a single user or multiple users to the bucket or objects under the bucket, and which specific object operations can be controlled? (Multiple choice)

If a switch administrator does not want to use port zoning, it is preferred that he uses WWN zoning instead of alias zoning.

Before planning and designing the project, it is necessary to collect information on the project. Which of the following information collection descriptions are correct? (Multiple choice)

Which of the following options is wrong of Huawei Oceanstor 9000 file pool strategy?