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Lpi 303-300 Exam Syllabus Topics:

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

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Lpi LPIC Exam 303: Security, version 3.0 Sample Questions (Q63-Q68):

NEW QUESTION # 63
What is the purpose of rkhunter?

Answer: D


NEW QUESTION # 64
Which nftables command displays the currently active ruleset, including all tables, chains, and rules?

Answer: A

Explanation:
The command "nft list ruleset" displays the complete, currently active nftables configuration, including all defined tables, chains, and the rules within them. This is the nftables equivalent of the older "iptables -L -v" command. nftables organizes rules hierarchically into tables (grouped by address family) and chains (which contain the actual rules), and this command provides a full view of that hierarchy exactly as it is loaded into the kernel.


NEW QUESTION # 65
Which of the following statements are true regarding the certificate of a Root CA?
(Choose THREE correct answers.)

Answer: A,D,E


NEW QUESTION # 66
Which of the following authentication methods was added to NFS in version 4?

Answer: A


NEW QUESTION # 67
In nftables, what is the purpose of a "base chain" as opposed to a "regular chain"?

Answer: A

Explanation:
A base chain in nftables is attached directly to one of the underlying netfilter hooks (such as prerouting, input, forward, output, or postrouting), which allows packets traversing the network stack at that point to be evaluated against the chain's rules. A regular chain, by contrast, is not attached to any hook and can only be reached when explicitly called (jumped or goto'd) from another chain, functioning similarly to a subroutine used for rule organization.


NEW QUESTION # 68
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