Lpi LPI Level 3 Exam (LPI 303: Security) 117-303 Certified Exam Dumps

117-303 Exam Dumps

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Certification Provider: Lpi
Exam Code / Number: 117-303
Exam Name: LPI Level 3 Exam (LPI 303: Security)
Exam Questions: 101
Last Updated: Jun 19, 2026
Corresponding Certification: LPIC Level3

Go To 117-303 Questions

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Lpi 117-303 Exam Syllabus Topics:

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


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