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Lpi 303-300 Exam Braindumps - in .pdf Free Demo

  • Exam Code: 303-300
  • Exam Name: LPIC Exam 303: Security, version 3.0
  • Last Updated: Aug 06, 2026
  • Q & A: 163 Questions and Answers
  • Convenient, easy to study. Printable Lpi 303-300 PDF Format. It is an electronic file format regardless of the operating system platform. 100% Money Back Guarantee.
  • PDF Price: $59.99    

Lpi 303-300 Exam Braindumps - Testing Engine PC Screenshot

  • Exam Code: 303-300
  • Exam Name: LPIC Exam 303: Security, version 3.0
  • Last Updated: Aug 06, 2026
  • Q & A: 163 Questions and Answers
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Lpi 303-300 Exam Syllabus Topics:

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

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

1. 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.conf
B) /etc/strongswan.conf
C) /etc/ipsec.secrets
D) /etc/ipsec.d/certs


2. What is a rootkit?

A) A type of virus
B) A type of malware that disguises itself as legitimate software
C) A type of denial-of-service attack
D) A type of phishing scam


3. Which command revokes ACL-based write access for groups and named users on the file afile?

A) setfacl ~m mask: : rx afile
B) setfacl ~m group: * : rx, user :*: rx afile
C) setfacl -x mask: : rx afile
D) setfacl -x group: * : rx, user:*: rx afile


4. What is the difference between a SetUID and SetGID bit?

A) SetUID allows a user to change the owner of a file, while SetGID allows a user to change the group owner of a file
B) There is no difference between SetUID and SetGID
C) SetUID applies to files, while SetGID applies to directories
D) SetUID allows a file to be executed with the permissions of the file owner, while SetGID allows a file to be executed with the permissions of the group owner


5. Which of the following prefixes could be present in the output of getcifsacl? (Choose THREE correct answers.)

A) ACL
B) SID
C) OWNER
D) GROUP
E) GRANT


Solutions:

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

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