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

020-100 real exams

Exam Code: 020-100

Exam Name: Linux Professional Institute Security Essentials Exam 020

Updated: Sep 30, 2026

Q & A: 225 Questions and Answers

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Lpi 020-100 Exam Syllabus Topics:

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

Lpi Linux Professional Institute Security Essentials Exam 020 Sample Questions:

Question #1

What is the purpose of a rootkit?
Response:

  • A. To increase network speed
  • B. To encrypt data on a system
  • C. To detect and remove malware
  • D. To provide remote access to a system
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #2

Which encryption tool uses the XTS encryption mode to encrypt data?
(Choose TWO)
Response:

  • A. Data encryption
  • B. VeraCrypt
  • C. BitLocker
  • D. Cryptomator
Reveal Solution  Discussion  0

Correct Answer: B,C  🗳️

Question #3

Which of the following methods can be used to ensure the confidentiality of an email?
Response:

  • A. OpenPGP encryption
  • B. Sending email in plain text
  • C. Using a simple substitution cipher
  • D. Posting on social media
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #4

Which of the following is a fraudulent activity designed to deceive individuals into providing sensitive information or transferring funds to unauthorized parties in the context of IT security?
Response:

  • A. Intrusion detection system
  • B. Firewall
  • C. Scamming
  • D. Data encryption
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #5

Which of the following is an example of a hybrid encryption scheme?
Response:

  • A. AES
  • B. RSA
  • C. HTTPS
  • D. SHA-256
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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