OceanStor 9000 adopts Erasure code technology to protect data. If a site has 6 nodes, and the customer wants to ensure that the data can be restored even when 3 disks are broken in a stripe, what are the redundancy protection levels that can be used? (Multiple choice)

In the Huawei Oceanstor 9000 system, if the client's access to the storage system node is unevenly distributed, after re-adjusting the partition, you need to uninstall the shared directory from each client and remount it with the assigned domain name.

Large e-commerce company A purchased Huawei's hyper-converged storage products to build a private cloud. Which of the following options reflects the advantages of this product? (Multiple choice)

In order to better operate and maintain Huawei OceanStor 6810 V5 equipment, maintenance engineer A can refer to related product manuals to understand its features. Which of the following description about the product features are correct? (Multiple choice)

Which of the following statements about the working principles of data deduplication is false?