Typically, you want your application to check whether a request generated an error before you spend any time
processing results. The easiest way to find out if an error occurred is to look for an ____ node in the response
from the Amazon RDS API.

A.
Incorrect

B.
Error

C.
FALSE

Explanation:
http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/APITroubleshooting.html