In DynamoDB, a secondary index is a data structure that contains a subset of attributes from a table, along with an
alternate key to support ____ operations.
A.
None of the above
B.
Both
C.
Query
D.
Scan
Explanation:
In DynamoDB, a secondary index is a data structure that contains a subset of attributes from a table, along with an
alternate key to support Query operations.
http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/SecondaryIndexes.html
C