Lpi 303-300 dumps - in .pdf

303-300 pdf
  • Exam Code: 303-300
  • Exam Name: LPIC Exam 303: Security, version 3.0
  • Updated: Jul 22, 2026
  • Q & A: 163 Questions and Answers
  • PDF Price: $59.99
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  • Exam Code: 303-300
  • Exam Name: LPIC Exam 303: Security, version 3.0
  • Updated: Jul 22, 2026
  • Q & A: 163 Questions and Answers
  • PDF Version + PC Test Engine + Online Test Engine
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Lpi 303-300 dumps - Testing Engine

303-300 Testing Engine
  • Exam Code: 303-300
  • Exam Name: LPIC Exam 303: Security, version 3.0
  • Updated: Jul 22, 2026
  • Q & A: 163 Questions and Answers
  • Software Price: $59.99
  • Testing Engine

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Lpi 303-300 Exam Syllabus Topics:

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

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

1. What is host intrusion detection (HID)?

A) A system that prevents malware from infecting a network
B) A system that detects malicious traffic on a network
C) A system that monitors and detects potential security threats on a single computer or server
D) A system that scans files and folders for viruses


2. What is a certificate chain?

A) A chain of digital signatures used to verify the authenticity of a certificate
B) A sequence of public and private keys used for encryption and decryption
C) A sequence of certificates used to verify the authenticity of a digital certificate
D) A chain of public and private keys used for encryption and decryption


3. What type of activity does HID monitor for?

A) Malware infections
B) Unauthorized access attempts
C) File and folder changes
D) Network traffic


4. What option of mount.cifs specifies the user that appears as the local owner of the files of a mounted CIFS share when the server does not provide ownership information? (Specify ONLY the option name without any values or parameters.) Solution: uid=arg Determine whether the given solution is correct?

A) Incorrect
B) Correct


5. Which of the following keywords are built-in chairs for the iptables nat table? (Choose THREE correct answers.)

A) PREROUTING
B) PROCESSING
C) MASQUERADE
D) OUTPUT
E) POSTROUTING


Solutions:

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

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