All of the Following Are True When Dispersing Tables on a Distributed

All of the following are true when dispersing tables on a distributed database network without data replication or partitioning, except ____.

A) it may require distributed joins
B) it permits local autonomy over the data
C) it permits improved data availability because portions of the database are available even if one or some of the sites are down
D) one site can tend to become a bottleneck
E) it requires a distributed directory