What are the advantages of POE switches compared to POE power injectors? (Multiple choice)

When using the planning and design project, the BOQ file can be modified at will and then imported.

SR-TE does not support TE HSB.

In active-active technology, it is recommended to use the preferred storage array mode for long- distance storage cluster deployment.

OceanStor OS monitors the I/O response time sent to the disk. If the time exceeds the threshold, the system responds quickly to the host by degrading the read RAID group. What is the name of this technology?