303-300 Q&As - in .pdf

303-300 pdf
  • Exam Code: 303-300
  • Exam Name: LPIC Exam 303: Security, version 3.0
  • Updated: Jul 27, 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 27, 2026
  • Q & A: 163 Questions and Answers
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303-300 Testing Engine
  • Exam Code: 303-300
  • Exam Name: LPIC Exam 303: Security, version 3.0
  • Updated: Jul 27, 2026
  • Q & A: 163 Questions and Answers
  • Software Price: $59.99
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Lpi 303-300 Exam Syllabus Topics:

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

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

1. Which OpenVPN configuration directive specifies that the tunnel should operate at Layer 3, routing IP packets rather than bridging Ethernet frames?

A) topology subnet
B) dev tun
C) proto udp
D) dev tap


2. What is a ciphertext?

A) The original message before encryption
B) The encrypted message
C) The key used to encrypt the message
D) The algorithm used to encrypt the message


3. Which of the following sections are allowed within the Kerberos configuration file krb5.conf?
(Choose THREE correct answers.)

A) [capaths]
B) [domain]
C) [crypto]
D) [realms]
E) [plugins]


4. Which of the following parameters to openssl s_client specifies the host name to use for TLS Server Name Indication?

A) -sniname
B) -servername
C) -tlsname
D) -vhost
E) -host


5. What is the purpose of rkhunter?

A) To manage installed packages
B) To detect rootkits and other security threats
C) To automate host scans
D) To manage system log files


Solutions:

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

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