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Home Forums AWS AWS Certified Solutions Architect Associate Setting up Auto Scaling Group Reply To: Setting up Auto Scaling Group

  • Gerome-TutorialsDojo

    Member
    November 26, 2020 at 8:17 am

    Hello Rumman,

    Thanks for sharing your thoughts.

    Yes, I understand using Auto Scaling in three AZ is a possible option but that approach is not cost-efficient because you’d have a total of 12 instances running. Also, the requirement in the scenario is highly available (HA) architecture and not both HA and fault tolerance.

    Deploying the instances in two Availability Zones would ensure the application is highly available. When the first AZ goes down, the second AZ will only have an initial 4 EC2 instances. This will eventually be scaled up to 8 instances since the solution is using Auto Scaling.

    Based on the provided explanation in the scenario, were you able to view the reference links as well? You’ll see there a link to the AWS documentation where we based this scenario. Kindly check it and if you’re still in doubt, feel free to let me know.

    Let us know if you need further assistance. The Tutorials Dojo team is dedicated to helping you pass your AWS exam on your first try!

    Regards,

    Gerome @ Tutorials Dojo