100% Pass Quiz 2026 Lpi 303-300: LPIC Exam 303: Security, version 3.0–High Pass-Rate Exam Learning

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Lpi 303-300 Exam Syllabus Topics:

Section	Weight	Objectives
Host Security	9%	- Resource Control 1. cgroups 2. ulimits 3. Process resource management - Host Intrusion Detection 1. AIDE integrity checking 2. Linux Audit system 3. Rootkit detection tools 4. Malware detection - Host Hardening 1. Service hardening 2. Kernel runtime protection 3. Secure boot process
Threats and Vulnerability Assessment	3%	- Vulnerability Assessment 1. Security scanning 2. Risk identification 3. OpenVAS - Threat Analysis 1. Application threats 2. Host-based threats 3. Credential and confidentiality threats 4. Network threats
Access Control	8%	- Mandatory Access Control 1. AppArmor configuration 2. SELinux management 3. Policy enforcement - Authentication and Authorization 1. Multi-factor authentication 2. Centralized authentication 3. PAM - Discretionary Access Control 1. POSIX ACLs 2. File permissions 3. Extended attributes
Network Security	12%	- Packet Filtering 1. nftables awareness 2. IP sets 3. iptables and ip6tables 4. NAT and connection tracking - Network Intrusion Detection 1. tcpdump 2. Snort 3. Wireshark 4. Kismet - Network Hardening 1. TCP wrappers and service restrictions 2. Secure network services - Virtual Private Networks 1. OpenVPN 2. WireGuard 3. IPsec and strongSwan
Cryptography	8%	- Data Encryption 1. Encrypt files and storage devices 2. Secure data transmission 3. Use LUKS and dm-crypt - OpenPGP 1. Manage GnuPG keys 2. Sign and encrypt data 3. Web of trust concepts - X.509 Certificates and Public Key Infrastructures 1. Manage certificate authorities 2. Certificate revocation and validation 3. Create and manage certificates

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Lpi LPIC Exam 303: Security, version 3.0 Sample Questions (Q99-Q104):

NEW QUESTION # 99
What is the purpose of file ownership in Linux systems?

A. To enable multiple users to access files simultaneously
B. To protect files from being accidentally deleted
C. To ensure that files are backed up regularly
D. To restrict access to files only to their owner

Answer: D

NEW QUESTION # 100
Which of the following commands adds users using SSSD's local service?

A. sss_local_adduser
B. sss-addlocaluser
C. sss_useradd
D. sss_adduser
E. sss_add

Answer: C

NEW QUESTION # 101
What is social engineering?

A. A type of denial-of-service attack
B. A type of attack that exploits human psychology to gain access to sensitive information
C. A type of malware that disguises itself as legitimate software
D. A type of virus

Answer: B

NEW QUESTION # 102
Which of the following components are part of FreeIPA? (Choose THREE correct answers.)

A. Intrusion Detection System
B. Directory Server
C. Kerberos KDC
D. Public Key Infrastructure
E. DHCP Server

Answer: B,C,D

NEW QUESTION # 103
What is a honeypot?

A. A type of denial-of-service attack
B. A network security tool designed to lure attackers into a trap
C. A type of phishing scam
D. A type of virus

Answer: B

NEW QUESTION # 104
......

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