SELF TEST ANSWERS
Controlling System Access
1. 
A and C. A privilege is a granular control that permits a process to carry out some security-sensitive operation. A profile, or rights profile, includes authorizations and possibly the right to execute certain commands as another user, usually the root user.
B and D are incorrect. B is incorrect because the Secure Shell does not itself confer any authorizations to a user. Neither does encryption (D); encryption obfuscates data but is not itself a form of authorization.
2. D. The su – command differs ...
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