Amazon Web Services AWS Certified DevOps Engineer - Professional DOP-C02 Question # 92 Topic 10 Discussion
DOP-C02 Exam Topic 10 Question 92 Discussion:
Question #: 92
Topic #: 10
A company uses Amazon RDS for Microsoft SQL Server as its primary database and must ensure cross-Region high availability with RPO < 1 min and RTO < 10 min.
Which solution meets these requirements?
A.
Use RDS Multi-AZ DB cluster with cross-Region read replicas. Automate failover via Route 53.
B.
Use Multi-AZ cluster with snapshots copied cross-Region.
RDS Multi-AZ cluster deployments with cross-Region read replicas support near real-time replication (<1 min RPO) and fast promotion (<10 min RTO). Route 53 CNAME failover redirects application traffic automatically. This is the AWS-recommended DR pattern.
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