What is the Project Repository in HP ALM?

A.
It is a portion of the file system that stores all files to tie used by all the projects in the system.

B.
It is a configuration file that stores information about all projects available to HP ALM users. An
entry exists in this file for each project you create.

C.
It is a database schema that stores project information, such as entity data and user data. A
separate schema exists for every project you create.

D.
It is the set of rows identifying the HP ALM projects in the Site Administration schema A row exists
in this schema for each project you create.