... boundaries, authentication, auditing, and application instrumentation. 6 Module 11: System Services #### Logical Design of System Services ! The Audit System Service! The Authentication ... provide an overview of the audit system service. Lead-in In this section, you will learn about the audit system service. 8 Module 11: System Services The Authentication Design Pattern ... for each layer that can use the system services. Then map the identities of the COM+ applications that represent those layers to the roles you created. Module 11: System Services 13 Auditing...