CertFX offers Blackberry Certification Practice tests for the following exams

BCP-211 Supporting BlackBerry Devices in an Enterprise Environment
BCP-212 Supporting BlackBerry Enterprise Server/IBM Lotus Domino
BCP-213 Supporting BlackBerry Enterprise Server/Microsoft Exchange
BCP-410 Maintaining a BlackBerry Enterprise Server in a Microsoft Exchange Environment
BCP-411 Maintaining BlackBerry Enterprise Server/IBM Lotus Domino
BCP-610 Deploying BlackBerry Solutions/Microsoft Exchange
BCX-221 Supporting BlackBerry Device/Enterprise
BCX-222 Supporting BlackBerry Enterprise Server/IBM Lotus Domino
BCX-223 Supporting BlackBerry Enterprise Server/Microsoft Exchange
BCX-413 Maintaining BlackBerry Enterprise Server/Microsoft Exchange
BCX-421 Maintaining BlackBerry Enterprise Server/IBM Lotus Domino
BCX-611 Deploying BlackBerry Solutions/IBM Lotus Domino

Blackberry Certified Administrators and Developers key to getting certified.