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CompTIA Linux+ Practice Tests

You're reading from CompTIA Linux+ Practice Tests The best practice test preparation for the foundational CompTIA Linux+ certification exam

Product type Paperback

Published in Jul 2019

Publisher Wiley

ISBN-13 9781119555964

Length 320 pages

Edition 2nd Edition

Tools

Linux

Concepts

IT Certification

Author (1):

Steve Suehring

View More author details

Table of Contents (14) Chapters

1. Cover FREE CHAPTER

2. Acknowledgments

3. About the Author

4. Introduction

Objective Map

5. Chapter 1 Hardware and System Configuration

6. Chapter 2 System Operations and Maintenance

7. Chapter 3 Security

8. Chapter 4 Linux Troubleshooting and Diagnostics

9. Chapter 5 Automation and Scripting

10. Chapter 6 Practice Exam

11. Answers and Explanations

12. Index

13. Comprehensive Online Learning Environment

14. WILEY END USER LICENSE AGREEMENT

Chapter 3
Security

THE FOLLOWING COMPTIA LINUX+ EXAM OBJECTIVES ARE COVERED IN THIS CHAPTER:

3.1 Given a scenario, apply or acquire the appropriate user and/or group permissions and ownership
- File and directory permissions
  - Read, write, execute
  - User, group, other
  - SUID
  - Octal notation
  - umask
  - Sticky bit
  - GUID
  - Inheritance
  - Utilities
    - chmod
    - chown
    - chgrp
    - getfacl
    - setfacl
    - ls
    - ulimit
    - chage
- Context-based permissions
  - SELinux configurations
    - Disabled
    - Permissive
    - Enforcing
  - SELinux policy
    - Targeted
  - SELinux tools
    - setenforce
    - getenforce
    - sestatus
    - setsebool
    - getsebool
    - chcon
    - restorecon
    - ls -Z
    - ps -Z
  - AppArmor
    - aa-disable
    - aa-complain
    - aa-unconfined
    - /etc/apparmor.d/
    - /etc/apparmor.d/tunables
  - Privilege escalation
    - su
    - sudo
    - wheel
    - visudo
    - sudoedit
  - User types
    - Root
    - Standard
    - Service
3.2 Given a scenario, configure and implement appropriate access and authentication methods
- PAM:
  - Password policies
  - LDAP integration
  - User lockouts
  - Required, allowed, or sufficient
  - /etc/pam.d/
  - pam_tally2...

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Authors (1)

Steve Suehring

Steve Suehring

STEVEN SUEHRING, CompTIA Linux+ certified, is an Assistant Professor of Computing and New Media Technologies at University of Wisconsin- Stevens Point. Prior to joining the faculty, Steve spent nearly 20 years in industry as a Systems and Network Engineer, Data Security Analyst, and Technical Architect. Steve has written books and produced video series on various technologies, such as Linux, AWS, Microsoft Windows, JavaScript, PHP, Perl, MySQL, and others.

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