In the following description, which options will cause value-added service failures? (Multiple choice)

In Oceanstor 9000, the application of which of the following components requires license support.

The IntoTier feature is also called automatic hierarchical storage, which stores files on storage devices with the same performance according to file attributes, and realizes automatic migration of files between storage devices.

A storage cluster has five C72 nodes. Adopt the front and back 10CF networking mode.
When deploying distributed system services and object storage services in a mixed manner, how many number of IP addresses that need to be planned for the front-end business network?

The access mode of intelligent load balancing technology in Huawei distributed storage is Active-Active.