External consistency ensures that the data stored in the database is:

A.
in-consistent with the real world.

B.
remains consistent when sent from one system to another.

C.
consistent with the logical world.

D.
consistent with the real world.

Explanation:
External consistency ensures that the data stored in the database is consistent with the real world.
KRUTZ, Ronald L. & VINES, Russel D., The CISSP Prep Guide: Mastering the Ten Domains of
Computer Security, 2001, John Wiley & Sons, page 33