A Solutions Architect is designing a highly available and reliable solution for a cluster of Amazon EC2 instances. The Solutions Architect must ensure that any EC2 instance within the cluster recovers automatically after a system failure. The solution must ensure that the recovered instance maintains the same IP address. How can these requirements be met?

Topic #: - All AWS Certified Solutions Architect - Professional Questions

A. Create an AWS Lambda script to restart any EC2 instances that shut down unexpectedly.
B. Create an Auto Scaling group for each EC2 instance that has a minimum and maximum size of 1.
C. Create a new t2.micro instance to monitor the cluster instances. Configure the t2.micro instance to issue an aws ec2 reboot-instances command upon failure.
D. Create an Amazon CloudWatch alarm for the StatusCheckFailed_System metric, and then configure an EC2 action to recover the instance. Most Voted

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