The FusionSphere solution uses multiple measures to comprehensively improve the reliability.
Which of the following are included? (Multiple Choice)

Which of the following statements regarding Huawei CE12800 series Ethernet switches is false?

The total cost of ownership (TCO) of a DC consists of capital expenditure (CAPEX) and operating expense (OPEX).
Which of the following belongs to OPEX?

The FusionSphere solution is constructed based on the open-source cloud platform, eliminating vendor lock-in. The FusionSphere uses the open-source cloud platform CloudStack.

DCs are classified into four tiers based on the TIA-942 standard: Tier l, Tier II, Tier III, and Tier IV.
Which of the following is the availability requirement of Tier IV?