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

  • Exam Code: Lpi
  • Exam Name: Linux Professional Institute Security Essentials Exam 020
  • Updated: Jul 16, 2026
  • Q & A: 225 Questions and Answers

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About Lpi Linux Professional Institute Security Essentials Exam 020 : Lpi Exam

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Lpi 020-100 Exam Syllabus Topics:
SectionWeightObjectives
Topic 1: Goals, Roles and Actors1%- Importance of IT security
  • 1. Security roles and actors
  • 2. Security goals
Topic 2: Network and Service Security4%- Service security
  • 1. Email security
  • 2. Remote access security
  • 3. Web security
- Network protection
  • 1. Secure protocols
  • 2. Firewalls
  • 3. VPN
Topic 3: Node, Device and Storage Security3%- Storage protection
  • 1. Disk encryption
  • 2. Backup security
- Endpoint security
  • 1. Authentication methods
  • 2. Patch management
  • 3. Access controls
Topic 4: Security Operations and Concepts3%- Threats and attacks
  • 1. Attack vectors
  • 2. Malware
  • 3. Social engineering
- Risk management
  • 1. Security policies
  • 2. Incident response
Topic 5: Encryption3%- Cryptography fundamentals
  • 1. Hashing
  • 2. Symmetric encryption
  • 3. Asymmetric encryption
- Certificates and PKI
  • 1. Digital certificates
  • 2. Certificate authorities
Topic 6: Identity and Privacy2%- Privacy concepts
  • 1. Personal data protection
  • 2. Privacy best practices
- Identity protection
  • 1. Multi-factor authentication
  • 2. Password management
Lpi Linux Professional Institute Security Essentials Exam 020 Sample Questions:

1. What is the current industry-standard wireless encryption type?
Response:

A) WPA3
B) WPA2
C) WPA
D) WEP


2. Which of the following terms describes a security flaw that is unknown to the manufacturer, and for which no patch or solution is currently available?
Response:

A) Privilege escalation
B) Zero-day vulnerability
C) Buffer overflow
D) Arbitrary code execution


3. What is the potential risk of publishing personal information online?
Response:

A) Enhanced privacy
B) Identity theft
C) Improved mental health
D) Increased productivity


4. What is a potential risk of intercepted communication?
Response:

A) Data corruption
B) Increased network speed
C) Decreased memory capacity
D) Unauthorized access to data


5. Which of the following is the role of OpenPGP key servers?
Response:

A) They allow users to store and retrieve public keys associated with an email address.
B) OpenPGP key servers manage email communications.
C) OpenPGP key servers provide antivirus protection for email communications.
D) OpenPGP key servers are only used with Mozilla Thunderbird.


Solutions:

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

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