303-200 exam dumps

Lpi 303-200 Value Package

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  • Exam Code: 303-200
  • Exam Name: 303-200: LPIC-3 Exam 303: Security, version 2.0
  • No. of Questions: 60 Questions and Answers
  • Updated: Aug 08, 2026

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To prepare for the exam, candidates should have a solid understanding of Linux-based systems and security principles. There are various resources available to help candidates prepare for the exam, including official study guides, practice exams, and training courses. Candidates are encouraged to review the exam objectives and study the topics thoroughly to ensure a successful outcome on the exam.

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Certification Track

LPI offers three different LPIC-3 certificates for Linux professionals working at an enterprise level. Each of them has certain specialization, including Enterprise Security, Enterprise Virtualization, and Enterprise Mixed environment. To earn them, the candidates have to pass 303-200, 304-200, and 300-100 exams, respectively. The main requirement for each of the mentioned accreditations is possessing the valid LPIC-2 certification.

Reference: https://www.lpi.org/our-certifications/exam-303-objectives

Lpi 303-200 Exam Syllabus Topics:

SectionWeightObjectives
Host Security13%- Host Hardening
  • 1. Boot loader and BIOS security
    • 2. Service minimization and privilege reduction
      • 3. Kernel security features and sysctl
        • 4. SSH certificate authentication
          - Host Intrusion Detection
          • 1. Rootkit detection tools
            • 2. System auditing and integrity monitoring
              - Resource Control
              • 1. cgroups and systemd resource limits
                • 2. Process isolation techniques
                  Network Security17%- Packet Filtering
                  • 1. iptables and ip6tables rules
                    • 2. IP sets and advanced filtering
                      • 3. Connection tracking and NAT
                        - Network Hardening
                        • 1. Secure network services
                          • 2. Rogue device detection
                            - Network Intrusion Detection
                            • 1. IDS systems configuration
                              • 2. Vulnerability scanning tools
                                - Virtual Private Networks
                                • 1. OpenVPN configuration
                                  • 2. WireGuard setup and management
                                    • 3. IPsec/IKEv2 with strongSwan
                                      Access Control8%- Mandatory Access Control
                                      • 1. Awareness of AppArmor and Smack
                                        • 2. SELinux configuration and administration
                                          - Discretionary Access Control
                                          • 1. Extended attributes
                                            • 2. File permissions and ACLs
                                              Cryptography17%- X.509 Certificates and Public Key Infrastructures
                                              • 1. Public Key Infrastructure (PKI) concepts
                                                • 2. OpenSSL usage and configuration
                                                  • 3. X.509 certificate structure and lifecycle
                                                    • 4. Certificate authorities, issuance and revocation
                                                      - DNS and Cryptography
                                                      • 1. DNSSEC configuration and management
                                                        • 2. DANE and CAA records
                                                          • 3. BIND secure server setup
                                                            - Encrypted File Systems
                                                            • 1. PAM integration for encrypted home directories
                                                              • 2. eCryptfs file system encryption
                                                                • 3. dm-crypt and LUKS encryption
                                                                  - X.509 Certificates for Encryption, Signing and Authentication
                                                                  • 1. Client and server authentication via certificates
                                                                    • 2. SSL/TLS protocols and cipher suites
                                                                      • 3. HTTPS configuration with Apache HTTPD
                                                                        Threats and Vulnerability Assessment5%- Common Security Vulnerabilities and Threats
                                                                        • 1. Attack vectors and threats classification
                                                                          • 2. Defense strategies
                                                                            - Penetration Testing
                                                                            • 1. Security assessment tools
                                                                              • 2. Penetration testing methodology
                                                                                • 3. Nmap network scanning

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