19.8. Exam Essentials
Know the concepts of data security.
You should know that it's imperative to keep the system up-to-date and to install all relevant upgrades as they become available. You should also understand the importance of using a secure file system.
Know the purpose and characteristics of access control.
The purpose of access control is to limit who can access what resources on a system. The characteristics depend on the type of implementation utilized. You should always harden your systems to make them as secure as possible.
Know the purpose and characteristics of auditing and logging.
Log files are created to hold entries about the operations that take place on the system. Auditing is merely viewing those log files. There is often ...
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