What are the correct descriptions of the disaster recovery solutions provided by HUAWEI CLOUD in...

Application configurations, logs, and backups generated by the production and disaster recovery centers can be cross-region through OBS

You can use ApsaraDB for RDS on the cloud and use HUAWEI CLOUD DRS to cross ApsaraDB for RDS

Teach the library to recommend the cross-cloud disaster recovery of Naku's own technical implementation or self-developed scripts, such as Oracle database disaster recovery recommendation

Dataguard tool. MySQL database disaster recovery recommended LOGSH I PING tool

Cross-cloud backup can be backed up to OBS online by CV or third-party software