QUESTIONS Twamm hospital wants to implement an access control system that allows for the following policies: A "Every physicianurse has access to the patient records he/she is treating" B. "Patient records can be read, and written to by their treating physcians" C. During an Emergency any physicianurse can read any patient record" (a) Provice an example of an ACL list for a patient record. (b) Design an access control system that will allow the enforcement of the policies above at Twarm hospital (c) Based on the OM-AM framework what will be the Objectives, Model, Architectue and Mechanism