Lpi 117-303 : LPI Level 3 Exam (LPI 303: Security)

  • Exam Code: 117-303
  • Exam Name: LPI Level 3 Exam (LPI 303: Security)
  • Updated: Sep 13, 2026
  • Q & A: 101 Questions and Answers

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Lpi 117-303 Exam Syllabus Topics:

SectionObjectives
Network Security- Secure network services
  • 1. SSH hardening and configuration
    • 2. VPN setup and management
      - Firewall and packet filtering
      • 1. Network segmentation and filtering rules
        • 2. iptables and nftables configuration
          System Hardening and Monitoring- Security monitoring and auditing
          • 1. Log analysis and auditd
            • 2. Intrusion detection systems (IDS)
              - System security hardening
              • 1. Secure boot and system integrity
                • 2. Kernel and service hardening
                  Cryptography and Data Security- PKI and certificates
                  • 1. Certificate lifecycle management
                    • 2. X.509 certificates and trust chains
                      - Encryption technologies
                      • 1. Symmetric and asymmetric encryption
                        • 2. OpenSSL usage and certificate management
                          Access Control and Authentication- Authentication systems
                          • 1. PAM configuration and usage
                            • 2. LDAP integration
                              - Authorization mechanisms
                              • 1. File permissions and ACLs
                                • 2. Sudo and privilege escalation control
                                  Incident Response and Troubleshooting- Security incident handling
                                  • 1. Forensics basics on Linux systems
                                    • 2. Incident detection and response procedures
                                      - Recovery and mitigation
                                      • 1. System recovery after compromise
                                        • 2. Backup and restore strategies

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

                                          Question #1

                                          CORRECT TEXT
                                          A user that is allowed to use the su command under SELinux is also allowed to switch from the user role to the sysadmin role. What command will run a new shell for the user in the new context? (Specify the command only, with no path, options or arguments)

                                          Reveal Solution  Discussion  0

                                          Correct Answer:

                                          newrole

                                          Question #2

                                          Which openssl command is used to inspect the information stored in a certificate?

                                          • A. req
                                          • B. show
                                          • C. x509
                                          • D. info
                                          Reveal Solution  Discussion  0

                                          Correct Answer: C  🗳️

                                          Question #3

                                          What is the purpose of tripwire?

                                          • A. To monitor a server for breakin attempts and, if desired, ban the IP address.
                                          • B. To identify changes to critical system files and directories.
                                          • C. To enforce mandatory access control policies to confine users to the minimum amount of privilege required.
                                          • D. To act as a honeypot and attract attackers.
                                          Reveal Solution  Discussion  0

                                          Correct Answer: B  🗳️

                                          Question #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)

                                          Reveal Solution  Discussion  0

                                          Correct Answer:

                                          remote

                                          Question #5

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

                                          • A. twadmin createcfgfile e S mykey.key /etc/tripwire/twpol.txt
                                          • B. twadmin createcfgfile S mykey.key /etc/tripwire/twpol.txt
                                          • C. twadmin createpolfile e S mykey.key /etc/tripwire/twpol.txt
                                          • D. twadmin createpolfile S mykey.key /etc/tripwire/twpol.txt
                                          Reveal Solution  Discussion  0

                                          Correct Answer: D  🗳️

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