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

Exam Code: 020-100

Exam Name: Linux Professional Institute Security Essentials Exam 020

Updated: Jul 20, 2026

Q & A: 225 Questions and Answers

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Lpi 020-100 Exam Syllabus Topics:

SectionWeightObjectives
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
Network and Service Security22%- Network Security Fundamentals
  • 1. Network threats and attacks
  • 2. Firewalls, segmentation and filtering
- Service and Application Security
  • 1. Web and cloud service security
  • 2. Secure protocols and services
Identity and Privacy23%- Identity and Access Management
  • 1. Authentication and authorization
  • 2. Password policies and MFA
- Privacy and Data Protection
  • 1. Data privacy principles and regulations
  • 2. Personal data protection and identity management
Node, Device and Storage Security20%- Storage and Data Security
  • 1. Secure storage devices and media
  • 2. Data sanitization and disposal
- Endpoint Security
  • 1. Patch management and updates
  • 2. Secure configuration and hardening
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:

1. Sarah, a network administrator at Dion Training wants to host a web server. Which of the following cloud service models should they utilize?
Response:

A) Desktop as a Service (DaaS)
B) Infrastructure as a Service (IaaS)
C) Platform as a Service (PaaS)
D) Software as a Service (SaaS)


2. Which of the following is an example of an Internet Service Provider (ISP)?
Response:

A) Netflix
B) Amazon Web Services
C) Comcast
D) Google


3. What is the purpose of an RFID tag?
Response:

A) To store and transfer data wirelessly
B) To control network traffic
C) To enable wireless communication between devices
D) To connect devices to the internet


4. Which of the following backup types only copies data that has changed since the last backup, regardless of which type of backup it was last performed?
Response:

A) Incremental backup
B) Synthetic backup
C) Differential backup
D) Full backup


5. Which of the following is an example of multi-factor authentication (MFA)?
Response:

A) Using a password and a security question
B) Using a password and a unique PIN
C) Using a password and a fingerprint
D) Using a password and the user,s date of birth


Solutions:

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

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