Which of the following options can help companies build HCS Online hybrid cloud application layer high availability and disaster recovery design? (Multiple choices)
A . Complete copying of business hosts from HCS Online to public cloud hosts by bumping the entire column of copies
B . DRS completes RDS relational database from HcS Online rapid redundancy to Huawei Cloud
C . Through G5LB, to achieve load balancing between HCS Online and Huawei Cloud
D . Through the UK’s 12CDP to complete the disaster recovery protection of the business host
Answer: ABCD