303-300 PDF Questions - Practice Test 303-300 Pdf

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Lpi 303-300 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Cryptography8%- OpenPGP
  • 1. Manage GnuPG keys
  • 2. Sign and encrypt data
  • 3. Web of trust concepts
- 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. Secure data transmission
  • 3. Use LUKS and dm-crypt
Topic 2: Network Security12%- Network Intrusion Detection
  • 1. tcpdump
  • 2. Kismet
  • 3. Snort
  • 4. Wireshark
- 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
- Virtual Private Networks
  • 1. OpenVPN
  • 2. WireGuard
  • 3. IPsec and strongSwan
Topic 3: Host Security9%- Resource Control
  • 1. cgroups
  • 2. Process resource management
  • 3. ulimits
- Host Hardening
  • 1. Kernel runtime protection
  • 2. Service hardening
  • 3. Secure boot process
- Host Intrusion Detection
  • 1. Rootkit detection tools
  • 2. Malware detection
  • 3. AIDE integrity checking
  • 4. Linux Audit system
Topic 4: Threats and Vulnerability Assessment3%- Vulnerability Assessment
  • 1. OpenVAS
  • 2. Security scanning
  • 3. Risk identification
- Threat Analysis
  • 1. Application threats
  • 2. Network threats
  • 3. Host-based threats
  • 4. Credential and confidentiality threats
Topic 5: Access Control8%- Mandatory Access Control
  • 1. SELinux management
  • 2. Policy enforcement
  • 3. AppArmor configuration
- Discretionary Access Control
  • 1. POSIX ACLs
  • 2. File permissions
  • 3. Extended attributes
- Authentication and Authorization
  • 1. Multi-factor authentication
  • 2. PAM
  • 3. Centralized authentication

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Lpi LPIC Exam 303: Security, version 3.0 Sample Questions (Q17-Q22):

NEW QUESTION # 17
Linux Extended File Attributes are organized in namespaces. Which of the following names correspond to existing attribute namespaces?(Choose THREE correct answers.)

Answer: B,D,E


NEW QUESTION # 18
Which tool is commonly used to perform a comprehensive network port scan, including service and OS fingerprinting, as part of a security assessment?

Answer: D

Explanation:
Nmap (Network Mapper) is a widely used tool for network discovery and security auditing, capable of performing port scans to identify open ports, service version detection (-sV) to identify the software and version listening on those ports, and OS fingerprinting (-O) to estimate the operating system of a target host based on characteristics of its TCP/IP stack responses.
tcpdump and Wireshark are packet capture and analysis tools rather than active scanners, and netstat displays local socket and connection information rather than scanning remote hosts.


NEW QUESTION # 19
Which of the following is an example of an HID tool?

Answer: D


NEW QUESTION # 20
What effect does the following command have on TCP packets?
iptables- A INPUT d 10.142.232.1 p tcp --dport 20:21 j ACCEPT

Answer: C


NEW QUESTION # 21
What is the purpose of file ownership in Linux systems?

Answer: C


NEW QUESTION # 22
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