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Lpi 303-300 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Host Security9%- Host Hardening
  • 1. Kernel runtime protection
  • 2. Service hardening
  • 3. Secure boot process
- Resource Control
  • 1. Process resource management
  • 2. ulimits
  • 3. cgroups
- Host Intrusion Detection
  • 1. Rootkit detection tools
  • 2. AIDE integrity checking
  • 3. Malware detection
  • 4. Linux Audit system
Topic 2: Cryptography8%- X.509 Certificates and Public Key Infrastructures
  • 1. Manage certificate authorities
  • 2. Create and manage certificates
  • 3. Certificate revocation and validation
- OpenPGP
  • 1. Web of trust concepts
  • 2. Sign and encrypt data
  • 3. Manage GnuPG keys
- Data Encryption
  • 1. Secure data transmission
  • 2. Use LUKS and dm-crypt
  • 3. Encrypt files and storage devices
Topic 3: Network Security12%- Packet Filtering
  • 1. NAT and connection tracking
  • 2. nftables awareness
  • 3. iptables and ip6tables
  • 4. IP sets
- Virtual Private Networks
  • 1. OpenVPN
  • 2. WireGuard
  • 3. IPsec and strongSwan
- Network Hardening
  • 1. TCP wrappers and service restrictions
  • 2. Secure network services
- Network Intrusion Detection
  • 1. Wireshark
  • 2. Kismet
  • 3. Snort
  • 4. tcpdump
Topic 4: Threats and Vulnerability Assessment3%- Vulnerability Assessment
  • 1. Risk identification
  • 2. OpenVAS
  • 3. Security scanning
- Threat Analysis
  • 1. Application threats
  • 2. Network threats
  • 3. Credential and confidentiality threats
  • 4. Host-based threats
Topic 5: Access Control8%- Authentication and Authorization
  • 1. PAM
  • 2. Multi-factor authentication
  • 3. Centralized authentication
- Discretionary Access Control
  • 1. POSIX ACLs
  • 2. Extended attributes
  • 3. File permissions
- Mandatory Access Control
  • 1. SELinux management
  • 2. Policy enforcement
  • 3. AppArmor configuration

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

1. What is a rootkit?

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


2. What is social engineering?

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


3. Which file is used to configure rkhunter?

A) /etc/audit/auditd.conf
B) /etc/maldet.conf
C) /etc/aide/aide.conf
D) /etc/rkhunter.conf


4. Which of the following DNS records are used in DNSSEC?

A) RRSIG
B) TXT
C) MX
D) PTR


5. Which command displays currently listening TCP and UDP sockets along with the process ID and name of the associated program?

A) dig
B) traceroute
C) ss -tulnp
D) ping -c 4


Solutions:

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

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