In regard to DynamoDB, can I modify the index once it is created?
A.
Yes, if it is a primary hash key index
B.
Yes, if it is a Global secondary index
C.
No
D.
Yes, if it is a local secondary index
Explanation:
Currently, in DynamoDB, an index cannot be modified once it is created.
http://aws.amazon.com/dynamodb/faqs/#security_anchor