A company deployed its own e-commerce system using HUAWEI CLOUD services, and stored daily transaction records in HUAWEI CLOUD 0BS, accumulating day by day, taking up a lot of storage space, and more than a year of transactions Records are hardly used any further. Which of the following ways can tenants change the storage type to minimize costs? (Multiple choice)

A company deployed its own e-commerce system using HUAWEI CLOUD services, and stored daily transaction records in HUAWEI CLOUD 0BS, accumulating day by day, taking up a lot of storage space, and more than a year of transactions Records are hardly used any further. Which of the following ways can tenants change the storage type to minimize costs? (Multiple choice)
A . by calling the OBS ‘s SDK will be a year of object storage types into low-access memory.
B . by calling the OBS ‘s SDK will be a year of object storage type into archival storage.
C . Automatically convert objects from one year ago to low-frequency access storage through the lifecycle management configuration of the 0BS service.
D . Automatically convert objects from one year ago to archive storage through the lifecycle management configuration of the 0BS service.

Answer: BD