By default, Amazon Cognito maintains the last-written version of the data.
You can override this behavior and resolve data conflicts programmatically.
In addition, push synchronization allows you to use Amazon Cognito to send a silent ________
notification to all devices associated with an identity to notify them that new data is available.
A.
get
B.
post
C.
pull
D.
push
Explanation:
http://aws.amazon.com/cognito/faqs/