GMU IT 223 Exam 2 (Lecture 5-9) Questions With Correct Answers.

What is access control? authorized entities can use a system when they need to. How is policy related to access control? Policy driven control of access to systems, data, and dialogues. Examples of access control include barriers, passwords, and bio-metrics. What is the role of authentication in access control? Verification (or not) of an individual's claim (usually of identity). What is the role of authorization in access control? An entity (via his/her/its identity) is given certain permissions to access particular resources. What is the role of auditing in access control? After-the-fact analysis of data collected about an individual's activities What are 4 different ways to authenticate a claim of identity? Can you give an example of each? - What you know - a password for an account - What you have - a door key, a smart card - Who you are - fingerprint - What you do - how you pronounce a passphrase