Huawei Oceanstor 900 Adopts Erasure Code Technology to Protect the Data

Multiple Choice

Huawei Oceanstor 900 adopts erasure code technology to protect the data. If an office has six nodes, and the customer wants to have one office, ( Article broken three cases of the disk) . There are three cases of the broken disk, you can still guarantee that the data can be restored. You can use the redundancy protection level: (Multiple choice.)

A) 4 + 3: 1
B) 6 + 3
C) 4 + 2
D) 12 + 3: 1