Question: In a fully distributed database management system ( DDBMS ) that requires data consistency among all locations, what other factor ensures a DDBMS functions properly

In a fully distributed database management system (DDBMS) that requires data consistency among all locations, what other factor ensures a DDBMS functions properly throughout the entire network no matter where a request is referencing for data?
Group of answer choices
The DBMS must support location transparency.
The DBMS must support local mapping transparency.
The distributed global schema must be descriptive.
The DDC must maintain consistency.

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