This Exam Cram study guide teaches exactly what is needed to pass the SAIR/GNU Linux Level I Security, Privacy and Ethics Exam (3X0-104), one of the four required exams to complete the Linux Certified Administrator (LCA) program. The book"s chapters reveal essential exam topics on securing the system including non-technical security issues like ethics and trust, security basics such as announcements, passwords and encryption, security file system issues, network access, system logging, common methods of attack, and much, much more. The book also provides the proven and well-liked Exam Cram system of study with real-world examples, memory joggers, and practice questions to help the reader pass the exam.