All of the Following Are True of a Centralized Database

Multiple Choice

All of the following are true of a centralized database on a network, except ____.

A) the site with the database can become a bottleneck
B) there is no need for a distributed directory since all of the data is in one place
C) the single site arrangement provides a high degree of security, concurrency, and backup and recovery control
D) all data accesses from other than the site with the database incur telecommunications costs
E) it uses a two-phase commit process