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Lpi 020-100

020-100

Exam Code: 020-100

Exam Name: Linux Professional Institute Security Essentials Exam 020

Updated: Jul 21, 2026

Q & A: 225 Questions and Answers

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020-100 exam dumps

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Lpi 020-100 Exam Syllabus Topics:

SectionWeightObjectives
Security Concepts13%- Goals, Roles and Actors
  • 1. CIA triad, non-repudiation
  • 2. Threat actors, roles and responsibilities
- Risk Assessment and Management
  • 1. Vulnerabilities, threats and risks
  • 2. CVE, zero-day, penetration testing
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
Encryption22%- Data Protection
  • 1. Secure key management
  • 2. Encryption at rest and in transit
- Cryptography Basics
  • 1. Symmetric and asymmetric encryption
  • 2. Hashing, digital signatures, certificates
Node, Device and Storage Security20%- Endpoint Security
  • 1. Secure configuration and hardening
  • 2. Patch management and updates
- Storage and Data Security
  • 1. Secure storage devices and media
  • 2. Data sanitization and disposal
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

Lpi Linux Professional Institute Security Essentials Exam 020 Sample Questions:

1. Your computer has become infected with a program that is causing it to perform slowly and display unwanted advertisements. What type of attack is this?
Response:

A) Malware
B) Exploit
C) Phishing
D) DoS


2. You are concerned about your internet activity being monitored by your employer. Which of the following solutions would be the most appropriate for protecting your privacy?
Response:

A) Using incognito or private browsing mode on your work computer
B) Using a Virtual Private Network (VPN) on your personal device.
C) Clearing your browsing history and cache on your work computer
D) Using a proxy server on your work computer


3. Which of the following encryption methods is used for email encryption and requires the use of a public key and a private key pair?
Response:

A) Certificate Authority
B) S/MIME
C) OpenPGP
D) SMTP STARTTLS


4. How are passwords typically stored in online services?
Response:

A) Using password hashing and salting
B) In plain text
C) As encoded base64 strings
D) Using reversible encryption


5. What is the name of the cyberattack that disrupts network traffic by sending excessive traffic or requests?
Response:

A) SQL Injection
B) DDoS
C) Privilege Escalation
D) Buffer Overflow


Solutions:

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

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