Pass test with the help of 303-300 actual exam materials
Updated: Aug 16, 2026
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| Certification Vendor: | Linux Professional Institute (LPI) |
| Exam Name: | LPIC Exam 303: Security, Version 3.0 |
| Exam Number: | 303-300 |
| Exam Price: | $200 USD |
| Related Certifications: | LPIC-3 Security |
| Available Languages: | English, Japanese |
| Passing Score: | 500/800 |
| Exam Format: | Multiple Choice, Fill in the Blank |
| Certificate Validity Period: | 5 years |
| Real Exam Qty: | 60 |
| Exam Duration: | 90 minutes |
| Sample Questions: | Lpi 303-300 Sample Questions |
| Exam Way: | Pearson VUE Test Center or Online Proctored Exam (OnVUE) |
| Pre Condition: | An active LPIC-2 certification is required to obtain the LPIC-3 Security certification. LPIC-2 and LPIC-3 exams may be taken in any order. |
| Official Syllabus URL: | https://www.lpi.org/our-certifications/exam-303-objectives/ |
| Section | Weight | Objectives |
|---|---|---|
| Cryptography | 8% | - Data Encryption
|
| Network Security | 12% | - Network Intrusion Detection
|
| Threats and Vulnerability Assessment | 3% | - Vulnerability Assessment
|
| Host Security | 9% | - Host Intrusion Detection
|
| Access Control | 8% | - Discretionary Access Control
|
1. Which command is used to create an encrypted LUKS-formatted block device?
A) cryptsetup luksFormat /dev/sdX
B) mkfs.luks /dev/sdX
C) cryptsetup open /dev/sdX
D) dm-crypt --format /dev/sdX
2. What is the purpose of a Certificate Revocation List (CRL)?
A) It lists certificates that have not yet been issued.
B) It lists certificates that have been revoked by the issuing CA before their expiration date.
C) It replaces the need for certificate expiration dates.
D) It lists all valid certificates currently trusted by a client.
3. What is the primary function of an Intrusion Detection System (IDS) such as Snort or Suricata operating in network-based mode?
A) To actively block malicious traffic before it reaches its destination.
B) To encrypt network traffic between hosts.
C) To passively monitor network traffic and generate alerts based on signature or anomaly-based detection rules.
D) To perform DNS resolution for network hosts.
4. What is phishing?
A) A type of denial-of-service attack
B) A type of social engineering attack
C) A type of malware that disguises itself as legitimate software
D) A type of virus
5. Which command included in the Linux Audit system provides searching and filtering of the audit log? (Specify ONLY the command without any path or parameters.) Solution: ausearch Determine whether the given solution is correct?
A) Correct
B) Incorrect
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: B | Question # 3 Answer: C | Question # 4 Answer: B | Question # 5 Answer: A |
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