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Lpi 303-300 Exam Syllabus Topics:

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

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Lpi LPIC Exam 303: Security, version 3.0 Sample Questions (Q115-Q120):

NEW QUESTION # 115
Which command, included in BIND, generates DNSSEC keys?
(Specify ONLY the command without any path or parameters.)
Solution: dnssec-keygen
Determine whether the given solution is correct?

Answer: A


NEW QUESTION # 116
Which command included in the Linux Audit system provides searching and filtering of the audit log?
(Specify ONLY the command without any path or parameters.)
Solution: ausearch
Determine whether the given solution is correct?

Answer: A


NEW QUESTION # 117
Which mount option prevents the execution of binaries located on the mounted filesystem?

Answer: B


NEW QUESTION # 118
What is Cryptography?

Answer: B


NEW QUESTION # 119
Which IPsec mode encapsulates and protects the entire original IP packet, including its header, typically used for site-to-site VPN gateways?

Answer: C

Explanation:
IPsec Tunnel mode encapsulates the entire original IP packet, including its original header, inside a new IP packet with a new header. This allows the original source and destination addresses to be hidden and enables IPsec to be used between gateways protecting entire private networks, such as in a site-to-site VPN. Transport mode, by contrast, only protects the payload of the original packet and retains the original IP header, making it more suitable for host-to-host communication.


NEW QUESTION # 120
......

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