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Lpi 303-300 Exam Syllabus Topics:

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

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

Question 1

Which tool can be used to check for rootkits on a Linux system?

A. rpm
B. AIDE
C. OpenSCAP
D. chkrootkit


Question 2

What is a DoS attack?

A. An attack that targets a specific user or organization
B. An attack that aims to steal sensitive information
C. An attack that floods a network or server with traffic to make it unavailable
D. An attack that exploits a vulnerability in software


Question 3

Which directive is used in an OpenVPN server configuration in order to send network configuration information to the client? (Specify ONLY the option name without any values or parameters.) Solution: push Determine whether the given solution is correct?

A. Correct
B. Incorrect


Question 4

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 deleting the rule and waiting for Snort to reload its rules files automatically.
D. By placing a # in front of the rule and restarting Snort.


Question 5

Which of the following is an example of an HID tool?

A. Intrusion prevention system (IPS)
B. Firewall
C. Antivirus software
D. Security information and event management (SIEM) system


Solutions:

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

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