Huawei
H13-831_V2.0 · Question #3774
Which of the following descriptions of the two-site three-center disaster recovery solution are correct? (Multiple choice)
The correct answer is A. When all production sites fail, switch the database to primary/backup state, and then change the DNS C. DNS can be used to share services between two regions. The disaster recovery center only shares D. When a certain AZ of the production site fails, the business system switches to another AZ and the E. Deploy RDS database instances in production and disaster recovery centers respectively, with 1:1:1. See the full explanation below for the reasoning.
Business Continuity and Disaster Recovery Architecture
Question
Which of the following descriptions of the two-site three-center disaster recovery solution are correct? (Multiple choice)
Options
- AWhen all production sites fail, switch the database to primary/backup state, and then change the DNS
- BConfigurations, logs, snapshots, and backups generated by production and disaster recovery centers
- CDNS can be used to share services between two regions. The disaster recovery center only shares
- DWhen a certain AZ of the production site fails, the business system switches to another AZ and the
- EDeploy RDS database instances in production and disaster recovery centers respectively, with 1:1:1
How the community answered
(40 responses)- A83% (33)
- B18% (7)
Topics
#two-site three-center DR#DNS failover#RDS replication#AZ failover
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