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Lpi LPIC-3 303-300

303-300

Exam Code: 303-300

Exam Name: LPIC Exam 303: Security, version 3.0

Updated: Nov 01, 2026

Q&A Number: 163 Q&As

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Lpi 303-300 Exam Syllabus Topics:

SectionWeightObjectives
Access Control8%- Discretionary Access Control
- Mandatory Access Control
Host Security13%- Host Intrusion Detection
- Host Hardening
- Resource Control
Threats and Vulnerability Assessment5%- Penetration Testing
- Common Security Vulnerabilities and Threats
Cryptography17%- Encrypted File Systems
- X.509 Certificates and Public Key Infrastructures
- X.509 Certificates for Encryption, Signing and Authentication
- DNS and Cryptography
Network Security17%- Network Hardening
- Packet Filtering
- Virtual Private Networks
- Network Intrusion Detection

Lpi LPIC Exam 303: Security, version 3.0 Sample Questions:

Question #1
Which command is used to set the permissions of a file in Linux?

A. chmod
B. chown
C. chgrp
D. setfacl


Question #2
Which of the following methods can be used to deactivate a rule in Snort? (Choose TWO correct answers.)

A. By placing a pass rule in local.rules and restarting Snort.
B. By adding a pass rule to /etc/snort/rules.deactivated and waiting for Snort to reload its rules files automatically.
C. By placing a # in front of the rule and restarting Snort.
D. By deleting the rule and waiting for Snort to reload its rules files automatically.


Question #3
What is Linux Malware Detect?

A. A tool to detect malware on a Linux system
B. A tool to automate host scans
C. A package management tool
D. A configuration management tool


Question #4
What is the purpose of the "ausearch" command in relation to the Linux audit framework?

A. To add new audit rules to the running kernel.
B. To search and filter existing audit log entries based on criteria such as key, user, or time range.
C. To generate summary reports of audit statistics.
D. To restart the auditd service.


Question #5
What is a buffer overflow?

A. A type of virus
B. A type of malware that disguises itself as legitimate software
C. A type of software vulnerability
D. A type of denial-of-service attack


Solutions:

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

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