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

020-100 testking pdf
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Exam Code: 020-100

Exam Name: Linux Professional Institute Security Essentials Exam 020

Updated: Oct 05, 2026

Q & A: 225 Questions and Answers

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Lpi 020-100 Exam Syllabus Topics:

SectionObjectives
Operational Security- Logging and Monitoring
- System Updates and Patching
Linux System Security- File Permissions and Ownership
- Basic System Hardening
Network Security Basics- Firewalls Fundamentals
- Secure Network Protocols
Cryptography Basics- Encryption and Decryption Concepts
- Hashing and Integrity
Access Control and Authentication- User and Permission Management
- Authentication Methods
Security Fundamentals- Core Security Concepts
- Threats and Vulnerabilities

Lpi Linux Professional Institute Security Essentials Exam 020 Sample Questions:

Question #1

What is a major security concern when installing mobile applications from unknown sources?
Response:

  • A. Malware infection
  • B. Limited network connectivity
  • C. Incompatible hardware components
  • D. Reduced storage capacity
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #2

Which factor of authentication is commonly achieved by using token devices like key fobs or smart cards?
Response:

  • A. Action factor
  • B. Ownership factor
  • C. Knowledge factor
  • D. Characteristic factor
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #3

You are using a public Wi-Fi network at a coffee shop to access sensitive information. What security measure should you take to protect your information?
Response:

  • A. Use a weak password for your accounts
  • B. Share your login credentials with others using the same Wi-Fi network
  • C. Use a virtual private network (VPN) to encrypt your data
  • D. Leave your computer unattended while you step away
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #4

Which of the following is a plain text protocol?
Response:

  • A. HTTPS
  • B. HTTP
  • C. TLS
  • D. SSL
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #5

How are passwords typically stored in online services?
Response:

  • A. In plain text
  • B. Using reversible encryption
  • C. As encoded base64 strings
  • D. Using password hashing and salting
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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