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Lpi 303-300 Exam Syllabus Topics:

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

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

Question #1

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

  • A. yum and zypper
  • B. APT and YUM
  • C. dpkg and aptitude
  • D. RPM and DPKG
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #2

Which of the following commands disables the automatic password expiry for the user usera?

  • A. chage --lastday 0 usera
  • B. chage --maxdays -1 usera
  • C. chage --maxdays 99 usera
  • D. chage --maxdays none usera
  • E. chage --lastday none usera
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #3

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

  • A. setfacl
  • B. chown
  • C. chgrp
  • D. chmod
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #4

Which command is used to generate a new GnuPG key pair interactively?

  • A. gpg --gen-key
  • B. gpg --encrypt
  • C. gpg --export
  • D. gpg --list-keys
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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Question #5

Which command is used to view the access control list of a file?

  • A. setfacl
  • B. chmod
  • C. ls
  • D. getfacl
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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