Huawei OceanStor 9000 uses the erasure code technology to protect data. A site has six nodes, and the customer requires that data can be restored if three of the disks where a stripe is distributed are faulty.
Which redundancy levels can be used to meet the requirement? (Multiple Choice)

Users of object storage service (compatible with OpenStack Swift APIs) are managed and authenticated by the Keystone server. Registering, creating, and deleting an account must also be performed on the Keystone server.

An enterprise needs to continuously protect its important business data, and needs to perform different operations on LUN data without affecting the business, such as report generation, data testing, data analysis, etc.
Which of the following characteristics can meet the requirements of the enterprise?

Which of the following statements about the characteristics of Huawei OceanStor 9000 is false?

OceanStor SystemReporter can be used to monitor an OceanStor 9000, including which resource objects? (Multiple Choice)