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A company is constructing a call center using Amazon Connect and needs to devise a disaster recovery (DR) strategy across multiple AWS Regions. The call center consists of numerous contact flows, a large number of users, and multiple claimed phone numbers. What strategy offers the fastest recovery time objective (RTO) for disaster recovery?
A
Develop an AWS Lambda function to monitor the Amazon Connect instance's availability and notify the operations team if it becomes unavailable. Set up an Amazon EventBridge rule to trigger this Lambda function every five minutes. Upon notification, guide the operations team to provision a new Amazon Connect instance in another Region via the AWS Management Console. Use an AWS CloudFormation template to deploy the contact flows, users, and claimed phone numbers.
B
Provision a new Amazon Connect instance in another Region with all current users. Implement an AWS Lambda function to monitor the Amazon Connect instance's availability and an Amazon EventBridge rule to activate this Lambda function every five minutes. In case of a problem, configure the Lambda function to execute an AWS CloudFormation template that sets up contact flows and claimed phone numbers in the new Region.
C
Set up a new Amazon Connect instance in another Region with all existing contact flows and claimed phone numbers. Establish an Amazon Route 53 health check for the Amazon Connect instance's URL and an Amazon CloudWatch alarm for any health check failures. Create an AWS Lambda function to run an AWS CloudFormation template that provisions all users. Set the alarm to trigger the Lambda function.
D
Provision a new Amazon Connect instance in another Region with all current users and contact flows. Create an Amazon Route 53 health check for the Amazon Connect instance's URL and an Amazon CloudWatch alarm for health check failures. Develop an AWS Lambda function to execute an AWS CloudFormation template that sets up claimed phone numbers. Configure the alarm to activate the Lambda function.