Câu 57: H13-611: HCIA-Storage

Huawei OceanStor series storage system hardware includes controller enclosures and disk enclosures. Which of the following statements about controller enclosures is correct?

1. A. When the external power supply fails, BBU modules provide backup power for all disks.
2. B. If BBUs become faulty, the service system will be interrupted.
3. C. When the external power supply fails, BBUs can supply power to enable data synchronization from the cache to disks in disk enclosures. — đáp án hiện tại
4. D. When the power input is normal, BBUs are in the standby state.