You are developing an application that is working with a DynamoDB table. Some of your request results are returning an HTTP 4xx status code. Which of the following are possible issues with the requests? Choose 2 answers from the options given below.

Answer options:

A.There are missing required parameters with some of the requests.
B.You are exceeding the table’s provisioned throughput.
C.The DynamoDB service is unavailable.
D.There are network issues.

Answer – A and B
This is mentioned in the AWS Documentation.
An HTTP 400 status code indicates a problem with your request, such as authentication failure, missing required parameters, or exceeding a table`s provisioned throughput. You will have to fix the issue in your application before submitting the request again.
Options C and D are incorrect since these would result in 5xx errors.
For more information on programming errors in DynamoDB, please visit the following URL-
https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Programming.Errors.html