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  • VG-AWS

    June 10, 2020 at 3:52 am

    For high availability, it is best to always choose an RDS instance configured with Multi-AZ deployments. You should also deploy your application across multiple Availability Zones to improve fault tolerance. AWS Auto Scaling monitors your applications and automatically adjusts capacity to maintain steady, predictable performance at the lowest possible cost. Using AWS Auto Scaling, it’s easy to set up application scaling for multiple resources across multiple services in minutes.

    Hence, the correct answer is the option that says: Deploy the website across 3 Availability Zones with Auto Scaled EC2 instances behind an Application Load Balancer and a RDS configured with Multi-AZ Deployments.

    Why it can’t be 2 AZs… there are few regions where 3 AZs are not there.. Nothing mentioned so it can be 2 as well… Are you 100% about this answer? Will AWS exam approve this answer?

  • TutorialsDojo-Support

    June 13, 2020 at 1:34 pm

    Hi VG-AWS,

    Thanks for the feedback.

    For better fault tolerance, you should deploy your application across multiple Availability Zones as much AZ the region supports.

    I understand that the explanation part did not expound on it, we’ll review this and possibly revise the choices or explanation to better clarify this.


    Kenneth Samonte @ Tutorials Dojo

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