To access OceanStor SystemReporter, enter https://IP:8088 in the address box of a web browser, where IP indicates the service management IP address of an OceanStor 9000.

Which of the following statements about the OceanStor Backup Solution are correct? (Multiple Choice)

Which redundancy mode is adopted by the power supplies in the OceanStor 5300 V3 with 2 U enclosure?

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)

The QoS characteristics of object services, for applications with different priorities, different buckets can be configured, and the TPS of the buckets and the allocation of bandwidth resources can be controlled through QoS; different QoS policies can be configured for VIP tenants and ordinary tenants in the same system, to ensure the quality of service for high-priority tenants.