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Lpi 303-300 Exam Syllabus Topics:

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

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

1. Which command is used to relabel files according to the currently loaded SELinux policy?

A) semanage
B) chcon
C) setsebool
D) restorecon


2. How can host scans be automated on a Linux system?

A) Using Linux Audit system
B) Using cron
C) Using OpenSCAP
D) Using chkrootkit


3. Which of the following configuration options makes Apache HTTPD require a client certificate for authentication?

A) SSLRequestClientCert always
B) Require valid-x509
C) Limit valid-x509
D) SSLVerifyClient require
E) SSLPolicy valid-client-cert


4. Which of the following access control models is established by using SELinux?

A) Discretionary Access Control (DAC)
B) User Access Control (UAC)
C) Group Access Control (GAC)
D) Security Access Control (SAC)
E) Mandatory Access Control (MAC)


5. Which of the following commands adds a new user usera to FreeIPA?

A) ipa user-add usera --first User --last A
B) idap- useradd -H Idaps://ipa-server CN=UserA --attribs "Firstname: User: Lastname: A"
C) ipa-user- add usera --name "User A"
D) ipa-admin create user --account usera --fname User --iname A
E) useradd usera --directory ipa --gecos "User A"


Solutions:

Question # 1
Answer: D
Question # 2
Answer: B
Question # 3
Answer: D
Question # 4
Answer: E
Question # 5
Answer: A

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