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

Lpi 117-303 test insides dumps
  • Exam Code: 117-303
  • Exam Name: LPI Level 3 Exam (LPI 303: Security)
  • Updated: Aug 15, 2026
  • Q & A: 101 Questions and Answers
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Lpi 117-303 Exam Syllabus Topics:

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

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

                                          1. What is the purpose of tripwire?

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


                                          2. What openssl command will generate a certificate signing request (CSR) using the private key file privkey.pem?

                                          A) openssl gencsr key privkey.pem out cert.csr
                                          B) openssl req new key privkey.pem out cert.csr
                                          C) openssl gencsr new key privkey.pem out cert.csr
                                          D) openssl req key privkey.pem out cert.csr


                                          3. Which command will set the user.author attribute on the file afile.txt?

                                          A) setfattr user.author:" Author" afile.txt
                                          B) setfattr a user.author="A. Author" afile.txt
                                          C) setfattr n user.author v "A. Author" afile.txt
                                          D) setfattr user.author="A. Author" afile.txt


                                          4. Which of the following is NOT and valid scan technique with nmap?

                                          A) Window
                                          B) ACK
                                          C) SYN
                                          D) RST
                                          E) Connect()


                                          5. You have downloaded a file named file.tgz along with a signature file named file.tgz.asc. Which commands can be used to verify that file.tgz has not been tampered with since the file creator created the signature?
                                          Assume that you have already retrieved the public key of the file creator. (Select THREE correct answers)

                                          A) gpgv verify file.tgz.asc
                                          B) gpg verify file.tgz.asc
                                          C) gpg verify file.tgz
                                          D) gpg verify file.tgz.asc file.tgz
                                          E) gpgv file.tgz.asc


                                          Solutions:

                                          Question # 1
                                          Answer: A
                                          Question # 2
                                          Answer: B
                                          Question # 3
                                          Answer: C
                                          Question # 4
                                          Answer: D
                                          Question # 5
                                          Answer: B,D,E

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