Large e-commerce company A uses Huawei hybrid flash storage to ensure its core business. Regarding the SSD storage chip technology in it, which of the following statements are correct? (Multiple choice)

During the daily inspection, Engineer C found that the bit error rate of an optical module was high, and planned to replace an optical module. Which of the following descriptions are correct? (Multiple choice)

In the deployment scenario of FusionStorage file service, the customer deploys ten FusionStorage nodes and two management network switches. At this time, the number of IP addresses that need to be assigned to its management network is?

File system backup needs to consider compatibility issues. Which of the following statements is wrong?

In the Huawei HyperMetro active-active solution, when the active-active data center link fails, the priority site can be submitted to arbitration first, so that the priority site can win the arbitration first and continue to provide host services.