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Lpi 117-303 Exam Overview:

Certification Vendor:Linux Professional Institute (LPI)
Exam Name:LPIC-3 Security 303 Exam
Exam Number:303-300 (commonly referred to as 117-303 in some training catalogs)
Real Exam Qty:60 (typically)
Related Certifications:LPIC-1
LPIC-2
LPIC-3 Mixed Environment
LPIC-3 Virtualization and Containerization
Exam Format:Multiple choice, Multiple selection, Fill-in-the-blank
Passing Score:500 out of 800
Exam Duration:90 minutes
Certificate Validity Period:5 years
Available Languages:English, Japanese, Portuguese, Spanish
Exam Price:USD 200–300 (varies by region)
Recommended Training:Linux Professional Institute Training Resources
LPI Official Training Materials
Exam Registration:Pearson VUE Registration Portal
LPI Official Certification Page
Sample Questions:Lpi 117-303 Sample Questions
Exam Way:Computer-based exam delivered via Pearson VUE test centers or online proctored exam.
Pre Condition:Valid LPIC-2 certification is required before taking LPIC-3 Security exam.
Official Syllabus URL:https://www.lpi.org/our-certifications/lpic-3-303-security/

Lpi 117-303 Exam Syllabus Topics:

SectionWeightObjectives
Cryptography25%- Public Key Infrastructure (PKI)
  • 1. Certificate management tools
    • 2. Certificates and certificate authorities
      - Data Encryption
      • 1. Symmetric and asymmetric encryption concepts
        • 2. Disk and filesystem encryption
          Host Security20%- System hardening
          • 1. Kernel security parameters
            • 2. Secure boot and firmware security
              - Access Control
              • 1. Linux file permissions and ACLs
                • 2. Mandatory Access Control (AppArmor/SELinux concepts)
                  Network Security25%- VPN and secure tunneling
                  • 1. IPsec fundamentals
                    • 2. WireGuard/OpenVPN concepts
                      - Secure communication
                      • 1. SSH configuration and hardening
                        • 2. TLS/SSL concepts and configuration
                          Threats and Vulnerability Assessment15%- Intrusion Detection
                          • 1. Host-based IDS (HIDS)
                            • 2. Network-based IDS (NIDS)
                              - Security scanning
                              • 1. Vulnerability assessment concepts
                                • 2. Network scanning tools and techniques
                                  Organizational Security15%- Security Policies
                                  • 1. Audit and compliance basics
                                    • 2. Security governance concepts
                                      - Incident Response
                                      • 1. Forensics basics
                                        • 2. Incident handling lifecycle

                                          Lpi LPI Level 3 Exam (LPI 303: Security) Sample Questions:

                                          1. Which of the following commands will create a new, signed tw.pol file?

                                          A) twadmin createcfgfile S mykey.key /etc/tripwire/twpol.txt
                                          B) twadmin createpolfile e S mykey.key /etc/tripwire/twpol.txt
                                          C) twadmin createpolfile S mykey.key /etc/tripwire/twpol.txt
                                          D) twadmin createcfgfile e S mykey.key /etc/tripwire/twpol.txt


                                          2. What are the steps which must be followed to enable serverwide zone transfers between two BIND 9 servers securely using TSIG?

                                          A) Generate a key, specify the private key in the named configuration on both servers, create a server statement in the named configuration on both servers.
                                          B) Generate a key, specify the private key in the named configuration on one server and the public key in the named configuration on the other, create a remote statement in the named configuration on both servers.
                                          C) Generate a key, specify the private key in the named configuration on one server and the public key in the named configuration on the other, create a server statement in the named configuration on both servers.
                                          D) Generate a key, specify the public key in the named configuration on both servers, create a server statement in the named configuration on both servers.


                                          3. CORRECT TEXT
                                          Which parameter in vsftp.conf will restrict users to their home directory? (Supply only the parameter name, with no options or values)


                                          4. CORRECT TEXT
                                          Which directive in the OpenVPN client.conf specifies the remote server and port that the client should connect to? (Provide only the directive, without any options or parameters)


                                          5. On a new Linux system, the root user is being asked to provide the root user password before being able to use the su command. What line in the /etc/pam.d/su file will allow root to use su without supplying passwords?

                                          A) auth sufficient pam_norootpw.so
                                          B) auth required pam_rootok.so
                                          C) auth required pam_norootpw.so
                                          D) auth sufficient pam_rootok.so


                                          Solutions:

                                          Question # 1
                                          Answer: C
                                          Question # 2
                                          Answer: A
                                          Question # 3
                                          Answer: Only visible for members
                                          Question # 4
                                          Answer: Only visible for members
                                          Question # 5
                                          Answer: D

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