Lpi 303-200: LPIC-3 Exam 303: Security, version 2.0 : 303-200

Exam Code: 303-200

Exam Name: 303-200: LPIC-3 Exam 303: Security, version 2.0

Updated: Sep 07, 2026

Q & A: 60 Questions and Answers

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About Lpi 303-200: LPIC-3 Exam 303: Security, version 2.0 : 303-200 Exam

Topics covers in LPI 303-200 Certification Exam are as follow

Candidates must know the exam topics before they start of preparation. Because it will really help them in hitting the core. Our LPI 303-200 exam dumps will include the following topics:

  • Network Security
  • Operations Security
  • Access Control
  • Application Security
  • Cryptography

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

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Exam Content Overview

303-200 syllabus is divided into four major domains that cover the areas of host security, security of networks, access control, and cryptography. Each of these modules is divided into minute subsections and disclosed in the official outline, so candidates can prepare using a detailed guide. Some of the key topics of the test revolve around X.509 certificates, the public key infrastructure, signing, TLS, SSL, protocol versions, systems for encrypted files, DNS, intrusion detection, user management, user as well as server authentication, Samba integration, installation of FreeIPA, access control management, network files, and packet filtering, among the rest.

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Lpi 303-200 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Access Control8%- Mandatory Access Control
  • 1. Awareness of AppArmor and Smack
    • 2. SELinux configuration and administration
      - Discretionary Access Control
      • 1. File permissions and ACLs
        • 2. Extended attributes
          Topic 2: Cryptography17%- 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
                - Encrypted File Systems
                • 1. dm-crypt and LUKS encryption
                  • 2. eCryptfs file system encryption
                    • 3. PAM integration for encrypted home directories
                      - DNS and Cryptography
                      • 1. DANE and CAA records
                        • 2. BIND secure server setup
                          • 3. DNSSEC configuration and management
                            - X.509 Certificates and Public Key Infrastructures
                            • 1. OpenSSL usage and configuration
                              • 2. X.509 certificate structure and lifecycle
                                • 3. Certificate authorities, issuance and revocation
                                  • 4. Public Key Infrastructure (PKI) concepts
                                    Topic 3: Host Security13%- Resource Control
                                    • 1. Process isolation techniques
                                      • 2. cgroups and systemd resource limits
                                        - Host Intrusion Detection
                                        • 1. Rootkit detection tools
                                          • 2. System auditing and integrity monitoring
                                            - Host Hardening
                                            • 1. Boot loader and BIOS security
                                              • 2. SSH certificate authentication
                                                • 3. Service minimization and privilege reduction
                                                  • 4. Kernel security features and sysctl
                                                    Topic 4: Threats and Vulnerability Assessment5%- Penetration Testing
                                                    • 1. Security assessment tools
                                                      • 2. Penetration testing methodology
                                                        • 3. Nmap network scanning
                                                          - Common Security Vulnerabilities and Threats
                                                          • 1. Defense strategies
                                                            • 2. Attack vectors and threats classification
                                                              Topic 5: Network Security17%- Network Intrusion Detection
                                                              • 1. Vulnerability scanning tools
                                                                • 2. IDS systems configuration
                                                                  - Network Hardening
                                                                  • 1. Secure network services
                                                                    • 2. Rogue device detection
                                                                      - Virtual Private Networks
                                                                      • 1. WireGuard setup and management
                                                                        • 2. OpenVPN configuration
                                                                          • 3. IPsec/IKEv2 with strongSwan
                                                                            - Packet Filtering
                                                                            • 1. IP sets and advanced filtering
                                                                              • 2. iptables and ip6tables rules
                                                                                • 3. Connection tracking and NAT

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