Important functions of your production application are degraded. The support engineer has an AWS account with a Business-level AWS Support plan. While opening a support case with AWS, what severity should the support engineer choose?

Answer options:

A.System impaired
B.Production system impaired
C.Production system down
D.Business-critical

Answer: B
Option A is incorrect. Choose System Impaired when Non-critical functions of your application are behaving abnormally or you have a time-sensitive development question. In the given scenario, the application is a production application. Refer to the table “Choosing a severity” in the link below for more details.
Option B is correct. Important functions of production application are impaired/degraded. Since the support engineer has an AWS account with a Business plan, he/she can open a case with AWS with this severity selected. Refer to the table “Choosing a severity” in the link below for more details.
Option C is incorrect. In this scenario, the business is not significantly impacted because important functions of the application are available. However, the performance is degraded. Refer to the table “Choosing a severity” in the link below for more details.
Option D is incorrect. This option should be selected when the business is at risk and the application`s critical functions aren`t available. Refer to the table “Choosing a severity” in the link below for more details.
References:
https://docs.aws.amazon.com/awssupport/latest/user/case-management.html#choosing-severity