An e-commerce company has deployed an RDS database in a single Availability Zone (AZ). The engineering team wants to ensure that in case of an AZ outage, the database should continue working on the same endpoint without any manual administrative intervention. Which of the following solutions can address this use-case?Question 22Answera.Deploy the database via AWS Elastic Beanstalkb.Configure the database in RDS read replica mode with automatic failover to the standbyc.Provision the database via AWS CloudFormationd.Configure the database in RDS Multi-AZ deployment with automatic failover to the standby
Question
An e-commerce company has deployed an RDS database in a single Availability Zone (AZ). The engineering team wants to ensure that in case of an AZ outage, the database should continue working on the same endpoint without any manual administrative intervention. Which of the following solutions can address this use-case?Question 22Answera.Deploy the database via AWS Elastic Beanstalkb.Configure the database in RDS read replica mode with automatic failover to the standbyc.Provision the database via AWS CloudFormationd.Configure the database in RDS Multi-AZ deployment with automatic failover to the standby
Solution
The solution that can address this use-case is to configure the database in RDS Multi-AZ deployment with automatic failover to the standby.
Here's why:
a. Deploying the database via AWS Elastic Beanstalk won't necessarily ensure automatic failover in case of an AZ outage. Elastic Beanstalk is more about deploying and managing applications rather than databases.
b. Configuring the database in RDS read replica mode with automatic failover to the standby can help in improving read performance and for disaster recovery, but it doesn't automatically handle failovers of the primary database instance.
c. Provisioning the database via AWS CloudFormation is about infrastructure as code, which doesn't directly address the issue of automatic failover in case of an AZ outage.
d. Configuring the database in RDS Multi-AZ deployment with automatic failover
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