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Lpi 303-300 Exam Overview:

Certification Vendor:Linux Professional Institute (LPI)
Exam Name:LPIC Exam 303: Security, Version 3.0
Exam Number:303-300
Exam Price:$200 USD
Related Certifications:LPIC-3 Security
Available Languages:English, Japanese
Passing Score:500/800
Exam Format:Multiple Choice, Fill in the Blank
Certificate Validity Period:5 years
Real Exam Qty:60
Exam Duration:90 minutes
Sample Questions:Lpi 303-300 Sample Questions
Exam Way:Pearson VUE Test Center or Online Proctored Exam (OnVUE)
Pre Condition:An active LPIC-2 certification is required to obtain the LPIC-3 Security certification. LPIC-2 and LPIC-3 exams may be taken in any order.
Official Syllabus URL:https://www.lpi.org/our-certifications/exam-303-objectives/

Lpi 303-300 Exam Syllabus Topics:

SectionWeightObjectives
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. Manage GnuPG keys
  • 3. Sign and encrypt data
- X.509 Certificates and Public Key Infrastructures
  • 1. Create and manage certificates
  • 2. Certificate revocation and validation
  • 3. Manage certificate authorities
Network Security12%- Network Intrusion Detection
  • 1. Snort
  • 2. Wireshark
  • 3. tcpdump
  • 4. Kismet
- Virtual Private Networks
  • 1. WireGuard
  • 2. IPsec and strongSwan
  • 3. OpenVPN
- Network Hardening
  • 1. TCP wrappers and service restrictions
  • 2. Secure network services
- Packet Filtering
  • 1. iptables and ip6tables
  • 2. IP sets
  • 3. nftables awareness
  • 4. NAT and connection tracking
Threats and Vulnerability Assessment3%- Vulnerability Assessment
  • 1. Risk identification
  • 2. Security scanning
  • 3. OpenVAS
- Threat Analysis
  • 1. Application threats
  • 2. Network threats
  • 3. Host-based threats
  • 4. Credential and confidentiality threats
Host Security9%- Host Intrusion Detection
  • 1. Linux Audit system
  • 2. Malware detection
  • 3. Rootkit detection tools
  • 4. AIDE integrity checking
- Host Hardening
  • 1. Secure boot process
  • 2. Service hardening
  • 3. Kernel runtime protection
- Resource Control
  • 1. Process resource management
  • 2. ulimits
  • 3. cgroups
Access Control8%- Discretionary Access Control
  • 1. Extended attributes
  • 2. File permissions
  • 3. POSIX ACLs
- Authentication and Authorization
  • 1. Multi-factor authentication
  • 2. PAM
  • 3. Centralized 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 command is used to create an encrypted LUKS-formatted block device?

A) cryptsetup luksFormat /dev/sdX
B) mkfs.luks /dev/sdX
C) cryptsetup open /dev/sdX
D) dm-crypt --format /dev/sdX


2. What is the purpose of a Certificate Revocation List (CRL)?

A) It lists certificates that have not yet been issued.
B) It lists certificates that have been revoked by the issuing CA before their expiration date.
C) It replaces the need for certificate expiration dates.
D) It lists all valid certificates currently trusted by a client.


3. What is the primary function of an Intrusion Detection System (IDS) such as Snort or Suricata operating in network-based mode?

A) To actively block malicious traffic before it reaches its destination.
B) To encrypt network traffic between hosts.
C) To passively monitor network traffic and generate alerts based on signature or anomaly-based detection rules.
D) To perform DNS resolution for network hosts.


4. What is phishing?

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


5. Which command included in the Linux Audit system provides searching and filtering of the audit log? (Specify ONLY the command without any path or parameters.) Solution: ausearch Determine whether the given solution is correct?

A) Correct
B) Incorrect


Solutions:

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

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