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Lpi 303-300 Exam Syllabus Topics:

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

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

Question #1

Which of the following stanzas is a valid client configuration for FreeRADIUS?

  • A. client private-network-1 {
    ipaddr = 192.0.2.0/24
    secret = testing123-1
    }
  • B. client private-network-1 {
    ip = 192.0.2.0/24
    secret = testing123-1
    }
  • C. client private-network-1 {
    ipaddr = 192.0.2.0/24
    password = testing123-1
    }
  • D. client private-network-1 {
    ip = 192.0.2.0/24
    passwd = testing123-1
    }
  • E. client private-network-1 {
    ip = 192.0.2.0/24
    password = testing123-1
    }
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #2

Which of the following statements is used in a parameter file for setkey in order to create a new SPD entry?

  • A. newspd
  • B. spd
  • C. spdnew
  • D. spdadd
  • E. addspd
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #3

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

  • A. Main mode
  • B. Transport mode
  • C. Tunnel mode
  • D. Aggressive mode
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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Question #4

Which strongSwan configuration file typically defines the connection definitions, including the local and remote endpoints and authentication method for an IPsec VPN?

  • A. /etc/ipsec.d/certs
  • B. /etc/ipsec.conf
  • C. /etc/strongswan.conf
  • D. /etc/ipsec.secrets
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Explanation: Only visible for Actual4Cert members. You can sign-up / login (it's free).

Question #5

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 exploits a vulnerability in software
  • D. An attack that floods a network or server with traffic to make it unavailable
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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