Lpi 020-100 : Linux Professional Institute Security Essentials Exam 020

  • Exam Code: 020-100
  • Exam Name: Linux Professional Institute Security Essentials Exam 020
  • Updated: Sep 25, 2026
  • Q & A: 225 Questions and Answers

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Lpi 020-100 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Node, Device and Storage Security20%- Storage and Data Security
  • 1. Data sanitization and disposal
  • 2. Secure storage devices and media
- Endpoint Security
  • 1. Patch management and updates
  • 2. Secure configuration and hardening
Topic 2: Encryption22%- Data Protection
  • 1. Encryption at rest and in transit
  • 2. Secure key management
- Cryptography Basics
  • 1. Symmetric and asymmetric encryption
  • 2. Hashing, digital signatures, certificates
Topic 3: Identity and Privacy23%- Privacy and Data Protection
  • 1. Personal data protection and identity management
  • 2. Data privacy principles and regulations
- Identity and Access Management
  • 1. Authentication and authorization
  • 2. Password policies and MFA
Topic 4: Security Concepts13%- Goals, Roles and Actors
  • 1. Threat actors, roles and responsibilities
  • 2. CIA triad, non-repudiation
- Risk Assessment and Management
  • 1. Vulnerabilities, threats and risks
  • 2. CVE, zero-day, penetration testing
Topic 5: Network and Service Security22%- Network Security Fundamentals
  • 1. Network threats and attacks
  • 2. Firewalls, segmentation and filtering
- Service and Application Security
  • 1. Secure protocols and services
  • 2. Web and cloud service security

Lpi Linux Professional Institute Security Essentials Exam 020 Sample Questions:

Question #1

What potential issue can arise from using some security tools that mistakenly identify legitimate activities as malicious?
Response:

  • A. False positives
  • B. Improved detection accuracy
  • C. False negatives
  • D. Reduced system performance impact
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #2

What is the difference between an active and a passive RFID device?
Response:

  • A. The power source of the device
  • B. The type of radio waves used
  • C. The range of the device
  • D. The frequency of the device
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #3

Which of the following is a nonprofit organization that provides free digital certificates?
Response:

  • A. Public Key Infrastructure (PKI)
  • B. Digital signature
  • C. Let,s Encrypt
  • D. Trusted Root-CA
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #4

Which of the following devices is an example of an IoT device?
Response:

  • A. Printer
  • B. Router
  • C. Desktop computer
  • D. Smartphone
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #5

Which of the following is a network address used to identify devices in layer three of the OSI model?
Response:

  • A. MAC address
  • B. IP address
  • C. DNS address
  • D. TCP port number
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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