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Lpi 303-200日本語 : 303-200: LPIC-3 Exam 303: Security, version 2.0 (303-200日本語版)

303-200日本語 real exams

Exam Code: 303-200J

Exam Name: 303-200: LPIC-3 Exam 303: Security, version 2.0 (303-200日本語版)

Updated: Jul 24, 2026

Q & A: 60 Questions and Answers

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About Lpi 303-200日本語 Exam

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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.

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

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.

How can you apply for LPI 303-200 Exam

In order to apply for the LPI 303-200, You have to follow these steps

Step 1: Visit to LPI Marketplace Step 2: Signup/Login to LPI account Step 3: Search for LPI 303-200 Certifications Exam Step 4: Select Date, time and confirm with a payment method

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LPI 303-200 Certification Exam formate are as follow

Format: Multiple Questions, Multiple Answer

  • Passing score: 500 / 800
  • Language: English, Japanese
  • Number of Questions: 60
  • Length of Exam: 90 minutes

Lpi 303-200日本語 Exam Syllabus Topics:

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

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