Explanation/Reference:
Metadata is defined as data about data. Metadata is a record of all information of database.
Incorrect answers:
A metadata element in Essbase Studio is any of the following:
* Dimensional element (A)
* Relational column (based on the source or user defined)
* Field from a text file
* User-defined element (such as a variance that does not exist in the relational source)
* Hierarchy (B)
* Drill-through report
* Cube schema (C)
D: Essbase Integration Services is used to create a logical OLAP model based on the relational source and then to create a meta-outline containing the structure and rules required to automatically generate a Hyperion Essbase outline based on the the OLAP model. The meta-outline objects is used to initially create and then subsequently populate the resulting Essbase database.