303-200 exam dumps

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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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  • Updated on: Aug 08, 2026
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The LPIC-3 certification is considered one of the most prestigious certifications for Linux professionals. It is an advanced-level certification that validates the candidate's expertise in Linux administration, security, and networking. The LPIC-3 certification consists of three exams, and the 303-200 exam is one of them. 303-200 exam focuses on security and helps candidates demonstrate their proficiency in securing Linux systems.

Lpi 303-200 (303-200: LPIC-3 Exam 303: Security, version 2.0) Exam is a certification exam that tests the expertise and proficiency of an individual in relation to Linux security. 303-200 exam is designed for individuals who have already gained the advanced level of knowledge and skills in Linux administration and are looking to specialize in security. 303-200 exam is also aimed at professionals who are looking to advance their careers in the field of Linux security.

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

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Lpi 303-200 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Cryptography17%- Encrypted File Systems
  • 1. eCryptfs file system encryption
    • 2. dm-crypt and LUKS encryption
      • 3. PAM integration for encrypted home directories
        - X.509 Certificates for Encryption, Signing and Authentication
        • 1. HTTPS configuration with Apache HTTPD
          • 2. Client and server authentication via certificates
            • 3. SSL/TLS protocols and cipher suites
              - X.509 Certificates and Public Key Infrastructures
              • 1. Public Key Infrastructure (PKI) concepts
                • 2. X.509 certificate structure and lifecycle
                  • 3. OpenSSL usage and configuration
                    • 4. Certificate authorities, issuance and revocation
                      - DNS and Cryptography
                      • 1. DANE and CAA records
                        • 2. BIND secure server setup
                          • 3. DNSSEC configuration and management
                            Topic 2: 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
                                    Topic 3: Threats and Vulnerability Assessment5%- Common Security Vulnerabilities and Threats
                                    • 1. Attack vectors and threats classification
                                      • 2. Defense strategies
                                        - Penetration Testing
                                        • 1. Nmap network scanning
                                          • 2. Security assessment tools
                                            • 3. Penetration testing methodology
                                              Topic 4: Host Security13%- Host Intrusion Detection
                                              • 1. System auditing and integrity monitoring
                                                • 2. Rootkit detection tools
                                                  - Host Hardening
                                                  • 1. SSH certificate authentication
                                                    • 2. Service minimization and privilege reduction
                                                      • 3. Kernel security features and sysctl
                                                        • 4. Boot loader and BIOS security
                                                          - Resource Control
                                                          • 1. cgroups and systemd resource limits
                                                            • 2. Process isolation techniques
                                                              Topic 5: Network Security17%- Network Hardening
                                                              • 1. Rogue device detection
                                                                • 2. Secure network services
                                                                  - Virtual Private Networks
                                                                  • 1. WireGuard setup and management
                                                                    • 2. OpenVPN configuration
                                                                      • 3. IPsec/IKEv2 with strongSwan
                                                                        - Network Intrusion Detection
                                                                        • 1. IDS systems configuration
                                                                          • 2. Vulnerability scanning tools
                                                                            - Packet Filtering
                                                                            • 1. IP sets and advanced filtering
                                                                              • 2. Connection tracking and NAT
                                                                                • 3. iptables and ip6tables rules

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