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  • Is anyone from Tutorials Dojo monitoring this forum??

  • mike70

    August 13, 2023 at 4:32 am

    I found another error in the practice exam.

    Review Mode Set 2, Question 46.

    According to

    To automatically recover an instance when a system status check failure occurs, you can use the default configuration of the instance or create an Amazon CloudWatch alarm. If an instance becomes unreachable because of an underlying hardware failure or a problem that requires AWS involvement to repair, the instance is automatically recovered.

    A recovered instance is identical to the original instance, including the instance ID, private IP addresses, Elastic IP addresses, and all instance metadata. If the impaired instance has a public IPv4 address, the instance retains the public IPv4 address after recovery. If the impaired instance is in a placement group, the recovered instance runs in the placement group. During instance recovery, the instance is migrated as part of an instance reboot, and any data that is in-memory is lost.”

    Simplified automatic recovery is supported by an instance if the instance has the following characteristics:

    • It uses default or dedicated instance tenancy.

  • Tutorials-Dojo

    August 13, 2023 at 8:06 am

    Hi Mike,

    Our sincere apologies for the delayed response to your previous forum posts. Yes, our team monitors the questions posted here, and we have answered all of your past posts today.

    Please take note that your “Set 2, Question 46” is unique to everyone, so it’s better to just post a snippet of the question so we can further discuss the issue more accurately.

    The built-in EC2 automatic recovery has certain restrictions that may not be suitable for certain scenarios. These limitations are the following:

    – It is only supported on certain EC2 instance types

    – Instances that use Elastic Fabric Adapter (EFA) are not supported

    – Instance with Instance Stores for storage are not supported.

    – You cannot implement customized actions when the instance experiences an outage (unlike the EventBridge-based option, where you’ll have more control)

    These are the several reasons why the use of built-in instance recovery is not recommended.

    Please share the snippet of the question you are referring to (your Set 2, Question 46) so we can further check and revise the item as needed.


    Jon Bonso

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