A security administrator is hardening a TrustedSolaris server that processes sensitive data. The data owner has established the following security requirements:
✑ The data is for internal consumption only and shall not be distributed to outside individuals
✑ The systems administrator should not have access to the data processed by the server
✑ The integrity of the kernel image is maintained

Which of the following host-based security controls BEST enforce the data owner's requirements? (Choose three.)