Lpi 020-100 real exam prep : Linux Professional Institute Security Essentials Exam 020

  • Exam Code: 020-100
  • Exam Name: Linux Professional Institute Security Essentials Exam 020
  • Updated: Oct 09, 2026
  • Q&As: 225 Questions and Answers

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Lpi 020-100 Exam Syllabus Topics:

SectionObjectives
Topic 1: Linux System Security- Basic System Hardening
- File Permissions and Ownership
Topic 2: Operational Security- Logging and Monitoring
- System Updates and Patching
Topic 3: Access Control and Authentication- User and Permission Management
- Authentication Methods
Topic 4: Security Fundamentals- Core Security Concepts
- Threats and Vulnerabilities
Topic 5: Cryptography Basics- Encryption and Decryption Concepts
- Hashing and Integrity
Topic 6: Network Security Basics- Firewalls Fundamentals
- Secure Network Protocols

Lpi Linux Professional Institute Security Essentials Exam 020 Sample Questions:

Question #1

Which of the following is a common source for security incident information and guidance?
Response:

  • A. Computer Emergency Response Team (CERT)
  • B. Security incident response plan
  • C. IT forensics report
  • D. Risk assessment report
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #2

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

  • A. OpenPGP key servers provide antivirus protection for email communications.
  • B. They allow users to store and retrieve public keys associated with an email address.
  • C. OpenPGP key servers manage email communications.
  • D. OpenPGP key servers are only used with Mozilla Thunderbird.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #3

What is a type of malware that records keystrokes?
Response:

  • A. Remote Access Trojan (RAT)
  • B. Ransomware
  • C. Keylogger
  • D. Virus Scanner
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #4

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

  • A. To encrypt data transmitted between two parties.
  • B. To issue and sign digital certificates.
  • C. To verify the authenticity of digital signatures.
  • D. To establish a shared secret key between two parties.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #5

Which of the following types of encryption is typically used to secure data in transit only?
Response:

  • A. Transport encryption
  • B. Firewall
  • C. Intrusion Detection System (IDS)
  • D. End-to-end encryption
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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