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: Aug 07, 2026

Q & A: 225 Questions and Answers

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Lpi 020-100 Exam Syllabus Topics:

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

Lpi Linux Professional Institute Security Essentials Exam 020 Sample Questions:

1. Which of the following is an example of an X.509 certificate field?
Response:

A) Validity
B) Hash function
C) Certificate Signing Request
D) RSA key


2. Which of the following is a function of a Certificate Authority (CA)?
Response:

A) To issue and sign digital certificates.
B) To verify the authenticity of digital signatures.
C) To encrypt data transmitted between two parties.
D) To establish a shared secret key between two parties.


3. Which of the following devices is primarily used for connecting a network to the internet through a telephone or cable line?
Response:

A) Router
B) Switch
C) Modem
D) Access Point


4. You suspect that someone has gained unauthorized remote access to your computer. Which of the following should you do first?
Response:

A) Disconnect your computer from the internet
B) Reboot your computer
C) Run a malware scan using reputable software
D) Delete all files on your computer


5. What is the purpose of a rootkit?
Response:

A) To provide remote access to a system
B) To detect and remove malware
C) To encrypt data on a system
D) To increase network speed


Solutions:

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

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