- Exam Code: 117-303
- Exam Name: LPI Level 3 Exam (LPI 303: Security)
- Updated: Sep 06, 2026
- Q & A: 101 Questions and Answers
Certification vendors revise their exams regularly, and Actual4Dumps revises its 117-303 materials just as often. Your purchase of 101 practice questions for the Lpi LPI Level 3 Exam (LPI 303: Security) includes 365 days of free updates through 2026 and beyond.
| Certification Vendor: | Linux Professional Institute (LPI) |
|---|---|
| Exam Name: | LPIC-3 Security 303 Exam |
| Exam Number: | 303-300 (commonly referred to as 117-303 in some training catalogs) |
| Exam Duration: | 90 minutes |
| Available Languages: | English, Portuguese, Japanese, Spanish |
| Real Exam Qty: | 60 (typically) |
| Certificate Validity Period: | 5 years |
| Related Certifications: | LPIC-1 LPIC-3 Virtualization and Containerization LPIC-2 LPIC-3 Mixed Environment |
| Exam Price: | USD 200–300 (varies by region) |
| Exam Format: | Fill-in-the-blank, Multiple choice, Multiple selection |
| Passing Score: | 500 out of 800 |
| Recommended Training: | LPI Official Training Materials Linux Professional Institute Training Resources |
| Exam Registration: | LPI Official Certification Page Pearson VUE Registration Portal |
| Sample Questions: | ![]() |
| Exam Way: | Computer-based exam delivered via Pearson VUE test centers or online proctored exam. |
| Pre Condition: | Valid LPIC-2 certification is required before taking LPIC-3 Security exam. |
| Official Syllabus URL: | https://www.lpi.org/our-certifications/lpic-3-303-security/ |
| Section | Weight | Objectives |
|---|---|---|
| Network Security | 25% | - VPN and secure tunneling
|
| Threats and Vulnerability Assessment | 15% | - Intrusion Detection
|
| Organizational Security | 15% | - Incident Response
|
| Cryptography | 25% | - Public Key Infrastructure (PKI)
|
| Host Security | 20% | - System hardening
|
The Lpi LPI Level 3 Exam (LPI 303: Security) is the official Lpi exam that leads to the LPIC-3 Security certification at the Expert level. Passing it validates your skills against Lpi standards and proves your qualification to current and future employers. The credential is also connected with related certifications such as LPIC-1, LPIC-2, LPIC-3 Mixed Environment, LPIC-3 Virtualization and Containerization, so it can serve as a solid step in a broader certification path.
The 117-303 exam has 60 (typically) questions in total and must be completed within 90 minutes. That leaves only a narrow time budget per item, so train yourself to flag a difficult question, move on, and circle back later instead of getting stuck. A week or two before your test date, run at least one full timed mock exam in the Actual4Dumps desktop or online test engine under the same 90 minutes limit, and repeat until you can finish with a few minutes left for review.
The passing score for the 117-303 exam is 500 out of 800, and the official registration fee is USD 200–300 (varies by region). Keep in mind that a failed attempt is not discounted — retaking the exam means paying the full fee again — so it is wise not to book your seat until your practice scores sit comfortably above the passing mark. Working through the 101 questions at Actual4Dumps in timed mode is a reliable way to judge when you are truly ready.
Lpi sets the following requirement for the 117-303 exam: Valid LPIC-2 certification is required before taking LPIC-3 Security exam.. Eligibility rules can change from time to time, so always confirm the current prerequisites on the official exam page at https://www.lpi.org/our-certifications/lpic-3-303-security/ before you register.
You can register for the Lpi LPI Level 3 Exam (LPI 303: Security) through the following official channels:
The 117-303 exam is delivered as Computer-based exam delivered via Pearson VUE test centers or online proctored exam., so review the technical and check-in requirements for that format when you schedule your appointment.
Lpi recommends the following official training options for the Lpi LPI Level 3 Exam (LPI 303: Security):
Official courses build the theory, and pairing them with the 101 practice questions from Actual4Dumps turns that knowledge into exam-ready answers.
Yes. Actual4Dumps offers a free PDF demo for the Lpi LPI Level 3 Exam (LPI 303: Security), so you can review real sample questions and judge the quality before paying anything. After your purchase, you receive 365 days of free updates — whenever the question pool changes, you get the latest version at no cost. Once that period expires, you can extend your update service at a 50% discount from your member zone.
If you take the 117-303 exam within 60 days of your purchase and do not pass, you can apply for a full refund under our 100% Money Back Guarantee. To qualify, submit a scanned copy of your exam enrollment slip together with your official Score Report (PDF) within 2 days after the exam date, and your claim will be processed within 7 days. Note that the guarantee applies only to the corresponding exam: attempts taken within 3 days of purchase, downloaded-but-unused materials, free resources, and expired orders are not eligible, and the candidate name must match the purchaser name. If you would rather not refund, you can exchange the product for two free exam products of equal value while keeping the update service on your original purchase.
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The Lpi LPI Level 3 Exam (LPI 303: Security) is organized into 5 domains. Among the first ones are Organizational Security (15%), Cryptography (25%), Threats and Vulnerability Assessment (15%), and the remaining domains cover the rest of the official objectives. For the complete topic breakdown with every subtopic, see the full 117-303 exam outline above on this page.
Question 1
You wish to revoke write access for all groups and named users on a file. Which command will make the correct ACL changes?
A. setfacl x group:*:rx,user:*:rx afile
B. setfacl m group:*:rx,user:*:rx afile
C. setfacl m mask::rx afile
D. setfacl x mask::rx afile
Question 2
Which command will set the user.author attribute on the file afile.txt?
A. setfattr a user.author="A. Author" afile.txt
B. setfattr n user.author v "A. Author" afile.txt
C. setfattr user.author="A. Author" afile.txt
D. setfattr user.author:" Author" afile.txt
Question 3
What is the difference between an SELinux domain and an SELinux type?
A. A domain defines the range of access that an object has. A type is used to define an access level.
B. A domain is assigned to processes while a type is assigned to objects such as files and directories.
C. A domain is an alternative keyword for type.
D. A domain is a group of SELinux types.
Question 4
Which of the following are valid Nagios objects? (Select THREE correct answers)
A. Programs
B. Commands
C. Notification Groups
D. Host Groups
E. Contacts
Question 5
DNS servers are vulnerable to which of the following attacks? (Select THREE correct answers)
A. Smurf Attack
B. Fork Bomb Attack
C. Cache Poisoning
D. ManintheMiddle
E. PasswordBased Attack
Solutions:
| Question 1 Answer: C | Question 2 Answer: B | Question 3 Answer: B | Question 4 Answer: B,D,E | Question 5 Answer: A,C,D |
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