LPIC Exam 303: Security, version 3.0: 303-300 Exam

"LPIC Exam 303: Security, version 3.0", also known as 303-300 exam, is a Lpi Certification. With the complete collection of questions and answers, UpdateDumps has assembled to take you through 163 Q&As to your 303-300 Exam preparation. In the 303-300 exam resources, you will cover every field and category in LPIC-3 Certification helping to ready you for your successful Lpi Certification.

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  • Updated on: Aug 09, 2026
  • No. of Questions: 163 Questions & Answers

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  • Updated on: Aug 09, 2026
  • No. of Questions: 163 Questions & Answers

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Lpi 303-300 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Host Security13%- Resource Control
- Host Intrusion Detection
- Host Hardening
Topic 2: Cryptography17%- X.509 Certificates and Public Key Infrastructures
- Encrypted File Systems
- X.509 Certificates for Encryption, Signing and Authentication
- DNS and Cryptography
Topic 3: Access Control8%- Mandatory Access Control
- Discretionary Access Control
Topic 4: Threats and Vulnerability Assessment5%- Common Security Vulnerabilities and Threats
- Penetration Testing
Topic 5: Network Security17%- Network Hardening
- Network Intrusion Detection
- Virtual Private Networks
- Packet Filtering

Lpi LPIC Exam 303: Security, version 3.0 Sample Questions:

1. Which command installs and configures a new FreeIPA server, including all sub-components, and creates a new FreeIPA domain? (Specially ONLY the command without any path or parameters).
Solution: ipa-server-install
Determine whether the given solution is correct?

A) Correct
B) Incorrect


2. In Suricata, what is the purpose of a "rule" file, such as those found in the emerging-threats.rules collection?

A) It defines the signatures and conditions used to detect specific types of malicious or suspicious network traffic.
B) It configures which network interfaces Suricata should monitor.
C) It defines user authentication policies for the Suricata management interface.
D) It defines firewall NAT translation rules.


3. Which of the following resources of a shell and its child processes can be controlled by the Bash build- in command ulimit? (Choose THREE correct answers.)

A) The maximum number of newly created files
B) The maximum number of user processes
C) The maximum size of written files
D) The maximum number of environment variables
E) The maximum number of open file descriptors


4. What is phishing?

A) A type of malware that disguises itself as legitimate software
B) A type of denial-of-service attack
C) A type of social engineering attack
D) A type of virus


5. An X509 certificate contains the following information:
X509v3 Basic Constraints: critical CA:TRUE, pathlen:0
Which of the following statements are true regarding the certificate? (Choose THREE correct answers.)

A) This certificate may never be used to sign any other certificates.
B) This certificate may be used to sign certificates that are not also a certification authority.
C) This certificate may be used to sign certificates of subordinate certification authorities.
D) This certificate belongs to a certification authority.
E) This certificate will not be accepted by programs that do not understand the listed extension.


Solutions:

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

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