Which of the following defines the software that maintains and provides access to the database?

A.
database management system (DBMS)

B.
relational database management system (RDBMS)

C.
database identification system (DBIS)

D.
Interface Definition Language system (IDLS)

Explanation:
The database management system (DBMS) is a software suite that is used to manage access to the database
and provides data integrity and redundancy. It is usually controlled by a database administrator.
Incorrect Answers:
B: A relational database management system (RDBMS) provides access to a relational database.
C: There is no database identification system.
D: An Interface Definition Language (IDL) is a language that is used to define the interface between a client and
server process in a distributed system. It is not used to provide access to a database.

Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, New York, 2013, p. 1170
http://csis.pace.edu/~marchese/CS865/Papers/interface-definition-language.pdf