Lpi 117-303 Q&A - in .pdf

  • 117-303 pdf
  • Exam Code: 117-303
  • Exam Name: LPI Level 3 Exam (LPI 303: Security)
  • Updated: Aug 09, 2026
  • Q & A: 101 Questions and Answers
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  • Exam Code: 117-303
  • Exam Name: LPI Level 3 Exam (LPI 303: Security)
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  • 117-303 Testing Engine
  • Exam Code: 117-303
  • Exam Name: LPI Level 3 Exam (LPI 303: Security)
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117-303 exam dumps

Lpi 117-303 Exam Syllabus Topics:

SectionObjectives
Topic 1: Access Control and Authentication- Authorization mechanisms
  • 1. File permissions and ACLs
    • 2. Sudo and privilege escalation control
      - Authentication systems
      • 1. PAM configuration and usage
        • 2. LDAP integration
          Topic 2: Incident Response and Troubleshooting- Recovery and mitigation
          • 1. Backup and restore strategies
            • 2. System recovery after compromise
              - Security incident handling
              • 1. Forensics basics on Linux systems
                • 2. Incident detection and response procedures
                  Topic 3: 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
                          Topic 4: 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
                                  Topic 5: Network Security- Firewall and packet filtering
                                  • 1. iptables and nftables configuration
                                    • 2. Network segmentation and filtering rules
                                      - Secure network services
                                      • 1. SSH hardening and configuration
                                        • 2. VPN setup and management

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

                                          1. CORRECT TEXT
                                          There is a configuration file being managed by RCS. Based on timestamps, it appears that someone has modified the file without checking it into RCS. What command can be used to compare the configuration file with the latest committed version? (Specify the command only, no path or argument information)


                                          2. The command 'nmap sS O 10.142.232.10' produces the following output:
                                          PORT STATE SERVICE
                                          631/tcp open ipp
                                          3306/tcp open mysql
                                          Which of these statements are true? (Select TWO correct answers)

                                          A) The scan was executed by the root user.
                                          B) Output will be sent to a file instead of stdout.
                                          C) There are no other services running on this machine.
                                          D) A stealth SYN scan was launched.
                                          E) A simple scan was launched.


                                          3. Which statements are true of the following Wireshark capture filter:
                                          (tcp[2:2] > 1500 and tcp[2:2] < 1550) or (tcp[4:2] > 1500 and tcp[4:2] < 1550)
                                          (Select TWO correct answers)

                                          A) Only two bytes are being checked in each packet.
                                          B) Up to four bytes are being check in each packet.
                                          C) Traffic on ports 15001550 is being captured.
                                          D) Traffic on ports 15011549 is being captured.
                                          E) Every packet being checked has a 2 byte offset.


                                          4. When a user logs into a system using SSH, what is the format of SELinux security context which will assign the user_r role and the user_t domain to their login sessions?

                                          A) user_t:user_r sshd_t:system_r
                                          B) system_r:sshd_t user_r:user_t
                                          C) user_r:user_t system_r:sshd_t
                                          D) sshd_t:system_r user_t:user_r


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


                                          Solutions:

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

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