Lpi LPIC Level3 117-303 Braindumps

Exam Code: 117-303

Exam Name: LPI Level 3 Exam (LPI 303: Security)

Updated: Nov 03, 2026

Q & A: 101 Questions and Answers

117-303 Free Demo download

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Lpi 117-303 Exam Syllabus Topics:

Section	Objectives
Topic 1: Network Security	- Secure network services 1. SSH hardening and configuration 2. VPN setup and management - Firewall and packet filtering 1. iptables and nftables configuration 2. Network segmentation and filtering rules
Topic 2: System Hardening and Monitoring	- System security hardening 1. Kernel and service hardening 2. Secure boot and system integrity - Security monitoring and auditing 1. Intrusion detection systems (IDS) 2. Log analysis and auditd
Topic 3: Incident Response and Troubleshooting	- Recovery and mitigation 1. System recovery after compromise 2. Backup and restore strategies - Security incident handling 1. Incident detection and response procedures 2. Forensics basics on Linux systems
Topic 4: Access Control and Authentication	- Authentication systems 1. PAM configuration and usage 2. LDAP integration - Authorization mechanisms 1. Sudo and privilege escalation control 2. File permissions and ACLs
Topic 5: Cryptography and Data Security	- Encryption technologies 1. Symmetric and asymmetric encryption 2. OpenSSL usage and certificate management - PKI and certificates 1. X.509 certificates and trust chains 2. Certificate lifecycle management

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

Question #1
Which of the following are valid OpenVPN authentication modes? (Choose TWO correct answers)

A. Kerberos
B. S/Key
C. TLS
D. Password
E. Static Key

Question #2
Which command will set the user.author attribute on the file afile.txt?

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

Question #3
Which of the following is NOT included in a Snort rule header?

A. source IP address
B. source port
C. packet byte offset
D. action
E. protocol

Question #4
You are certain that your kernel has been compiled with ACL support, however, when you try to set an ACL on a file, you get the following output:
% setfacl m user:hugh:r afile.txt
setfacl: afile.txt: Operation not supported
What is the most likely reason for this problem?

A. The partition has not been mounted with the acl option.
B. The file afile.txt doesn't exist.
C. There is an error in the command line parameters.
D. There is no user on the system named hugh.

Question #5
Which option is required to syslogd in order for it to accept remote log messages?

A. s
B. remote
C. l
D. r

Solutions:

Question #1
Correct Answer: C,E

Question #2
Correct Answer: A

Question #3
Correct Answer: C

Question #4
Correct Answer: A

Question #5
Correct Answer: D

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