Which one of the following operations is NOT a DynamoDB…

Which one of the following operations is NOT a DynamoDB operation?

A.
BatchWriteItem

B.
DescribeTable

C.
BatchGetItem

D.
BatchDeleteItem

Explanation:
In DynamoDB, DeleteItem deletes a single item in a table by primary key, but BatchDeleteItem doesn’t exist.
http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/operationlist.html