What is the data model of DynamoDB?

What is the data model of DynamoDB?
A . Since DynamoDB is schema-less, there is no data model.
B . "Items", with Keys and one or more Attribute; and "Attribute", with Name and Value.
C . "Table", a collection of Items; "Items", with Keys and one or more Attribute; and "Attribute", with Name and Value.
D . "Database", which is a set of "Tables", which is a set of "Items", which is a set of "Attributes".

Answer: C

Explanation:

The data model of DynamoDB is:

"Table", a collection of Items;

"Items", with Keys and one or more Attribute;

"Attribute", with Name and Value.

Reference: http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/DataModel.html