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  • Total Questions: 101
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Lpi 117-303 Exam Syllabus Topics:

SectionObjectives
Topic 1: System Hardening and Monitoring- Security monitoring and auditing
  • 1. Intrusion detection systems (IDS)
    • 2. Log analysis and auditd
      - System security hardening
      • 1. Kernel and service hardening
        • 2. Secure boot and system integrity
          Topic 2: Incident Response and Troubleshooting- Recovery and mitigation
          • 1. Backup and restore strategies
            • 2. System recovery after compromise
              - Security incident handling
              • 1. Incident detection and response procedures
                • 2. Forensics basics on Linux systems
                  Topic 3: Cryptography and Data Security- PKI and certificates
                  • 1. X.509 certificates and trust chains
                    • 2. Certificate lifecycle management
                      - Encryption technologies
                      • 1. Symmetric and asymmetric encryption
                        • 2. OpenSSL usage and certificate management
                          Topic 4: Network Security- Secure network services
                          • 1. VPN setup and management
                            • 2. SSH hardening and configuration
                              - Firewall and packet filtering
                              • 1. iptables and nftables configuration
                                • 2. Network segmentation and filtering rules
                                  Topic 5: Access Control and Authentication- Authorization mechanisms
                                  • 1. Sudo and privilege escalation control
                                    • 2. File permissions and ACLs
                                      - Authentication systems
                                      • 1. PAM configuration and usage
                                        • 2. LDAP integration

                                          Lpi LPI Level 3 Exam (LPI 303: Security) Sample Questions:

                                          1. CORRECT TEXT
                                          There is a configuration file being managed by RCS. Based on timestamps, it appears that someone has modified the file without checking it into RCS. What command can be used to compare the configuration file with the latest committed version? (Specify the command only, no path or argument information)


                                          2. CORRECT TEXT
                                          In Nessus, what does the acronym NASL stand for?


                                          3. Under which path is the selinux pseudofilesystem found?

                                          A) /proc/selinux
                                          B) /sys/selinux
                                          C) /var/selinux
                                          D) /selinux
                                          E) /dev/selinux


                                          4. Which of the following methods can be used to deactivate a rule in Snort? (Select TWO correct answers)

                                          A) Write a pass rule in local.rules and restart snort with the o option.
                                          B) Add the rule to /etc/snort/rules.deactivated and it will take effect immediately.
                                          C) Place a # in front of the rule and restart snort.
                                          D) Delete the rule and snort will automatically reread its rules files within five minutes.


                                          5. CORRECT TEXT
                                          Postfix daemons can be chroot'd by setting the chroot flag in ____________. (Supply only the filename, without a path)


                                          Solutions:

                                          Question # 1
                                          Answer: Only visible for members
                                          Question # 2
                                          Answer: Only visible for members
                                          Question # 3
                                          Answer: D
                                          Question # 4
                                          Answer: A,C
                                          Question # 5
                                          Answer: Only visible for members

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