The backup service cannot occupy the storage network bandwidth of the production environment. Which network should I choose?

The OceanStor 18000 storage system uses 15K RPM SAS disks. Assuming that the average seek time of this type of disk is 6ms, how much IOPS can a single disk of this type of disk provide?

Which of the following is not a preparatory work before database migration?

The InfoEqualizer feature of Huawei OceanStor 9000 is mainly used to manage client connections to Huawei OceanStor 9000, and supports load balancing and failover functions. Special attention should be paid when planning the network. The InfoEqualizer DNS IP address needs to communicate with the Huawei OceanStor 9000 front-end network and customer application network.

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