An e-commerce enterprise’s disaster recovery (DR) site has 30% less processing capability than the primary site. Based on this information, which of the following presents the GREATEST risk?

A. Network firewalls and database firewalls at the DR site do not provide high availability.
B. No disaster recovery plan (DRP) testing has been performed during the last six months.
C. The DR site is in a shared location that hosts multiple other enterprises.
D. The DR site has not undergone testing to confirm its effectiveness.