A growing company has a business-critical key performance indicator (KPI) for the uptime of a machine learning (ML) recommendation system. The company is using Amazon SageMaker hosting services to develop a recommendation model in a single Availability Zone within an AWS Region. A machine learning (ML) specialist must develop a solution to achieve high availability. The solution must have a recovery time objective (RTO) of 5 minutes. Which solution will meet these requirements with the LEAST effort?

Topic #: - All AWS Certified Machine Learning - Specialty Questions

A. Deploy multiple instances for each endpoint in a VPC that spans at least two Regions.
B. Use the SageMaker auto scaling feature for the hosted recommendation models.
C. Deploy multiple instances for each production endpoint in a VPC that spans least two subnets that are in a second Availability Zone.
D. Frequently generate backups of the production recommendation model. Deploy the backups in a second Region.

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