Which level of system reliability can OceanStor Dorado high-end storage provide?

Which level of system reliability can OceanStor Dorado high-end storage provide?
A . 4-nines
B . 5-nines
C . 6-nines
D . 7-nines

Answer: D

Explanation:

OceanStor Dorado high-end storage can provide 7-nines system reliability, which means the system downtime is less than 3 seconds per year. This is achieved by using the SmartMatrix architecture, which ensures no single point of failure and supports cross-engine active-active mode.

Reference: Pre-release Announcement for Huawei Specialist Certification HCSA-Presales-Storage V4.0(English Version)