Access Control applications present unique challenges that often require sensorbased solutions to effectively manage pedestrian traffic BEA's access control line includes a variety of products that can be combined to create allinone packages designed to enhance employee safety and securityDiscretionary Access Control (DAC) With DAC models, the data owner allows access DAC is a means of assigning access rights based on userspecified rules Mandatory Access Control (MAC) MAC was developed using a nondiscretionary model, in which people are granted access based on an information clearance MAC is a policy in which access rights are assigned based on central authority regulations Role Based Access Control (RBAC) RBAC grants access based on a user's role and implements keyUse the DCount function when you must count records in a domain from within a code module or macro, or in a calculated control You can use the DCount function to count the number of records containing a particular fi