Lpi 303-300 Valid Q&A - in .pdf

  • 303-300 pdf
  • Exam Code: 303-300
  • Exam Name: LPIC Exam 303: Security, version 3.0
  • Updated: Aug 20, 2026
  • Q & A: 163 Questions and Answers
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Lpi 303-300 Valid Q&A - Testing Engine

  • 303-300 Testing Engine
  • Exam Code: 303-300
  • Exam Name: LPIC Exam 303: Security, version 3.0
  • Updated: Aug 20, 2026
  • Q & A: 163 Questions and Answers
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Lpi 303-300 Exam Syllabus Topics:

SectionWeightObjectives
Access Control8%- Mandatory Access Control
  • 1. SELinux management
  • 2. Policy enforcement
  • 3. AppArmor configuration
- Discretionary Access Control
  • 1. Extended attributes
  • 2. POSIX ACLs
  • 3. File permissions
- Authentication and Authorization
  • 1. Multi-factor authentication
  • 2. PAM
  • 3. Centralized authentication
Threats and Vulnerability Assessment3%- Vulnerability Assessment
  • 1. Risk identification
  • 2. Security scanning
  • 3. OpenVAS
- Threat Analysis
  • 1. Host-based threats
  • 2. Network threats
  • 3. Credential and confidentiality threats
  • 4. Application threats
Host Security9%- Resource Control
  • 1. Process resource management
  • 2. ulimits
  • 3. cgroups
- Host Hardening
  • 1. Kernel runtime protection
  • 2. Service hardening
  • 3. Secure boot process
- Host Intrusion Detection
  • 1. Malware detection
  • 2. Linux Audit system
  • 3. AIDE integrity checking
  • 4. Rootkit detection tools
Cryptography8%- OpenPGP
  • 1. Web of trust concepts
  • 2. Manage GnuPG keys
  • 3. Sign and encrypt data
- X.509 Certificates and Public Key Infrastructures
  • 1. Manage certificate authorities
  • 2. Create and manage certificates
  • 3. Certificate revocation and validation
- Data Encryption
  • 1. Use LUKS and dm-crypt
  • 2. Encrypt files and storage devices
  • 3. Secure data transmission
Network Security12%- Network Intrusion Detection
  • 1. Snort
  • 2. Wireshark
  • 3. Kismet
  • 4. tcpdump
- Network Hardening
  • 1. TCP wrappers and service restrictions
  • 2. Secure network services
- Virtual Private Networks
  • 1. OpenVPN
  • 2. WireGuard
  • 3. IPsec and strongSwan
- Packet Filtering
  • 1. NAT and connection tracking
  • 2. IP sets
  • 3. iptables and ip6tables
  • 4. nftables awareness

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

1. What is host intrusion detection (HID)?

A) A system that monitors and detects potential security threats on a single computer or server
B) A system that prevents malware from infecting a network
C) A system that scans files and folders for viruses
D) A system that detects malicious traffic on a network


2. What is a Trojan?

A) A type of denial-of-service attack
B) A type of virus
C) A type of malware that disguises itself as legitimate software
D) A type of phishing scam


3. In GnuPG's web of trust model, what does it mean when User A signs User B's public key?

A) User A's private key is now shared with User B.
B) User A is granting User B permission to decrypt User A's messages.
C) User B's key is automatically revoked.
D) User A is vouching that they have verified the authenticity of User B's public key and its association with User B's identity.


4. Which command is used to set the owner and group of a file in Linux?

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


5. Which package management tools can be used to verify the integrity of installed files on a Linux system?

A) dpkg and aptitude
B) yum and zypper
C) RPM and DPKG
D) APT and YUM


Solutions:

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

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