Last Updated: Aug 29, 2026
No. of Questions: 163 Questions & Answers with Testing Engine
Download Limit: Unlimited
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| Certification Vendor: | Linux Professional Institute (LPI) |
|---|---|
| Exam Name: | LPIC Exam 303: Security, version 3.0 |
| Exam Number: | 303-300 |
| Related Certifications: | LPIC-3 Mixed Environments LPIC-3 Virtualization & Containerization LPIC-3 High Availability & Storage |
| Exam Duration: | 90 minutes |
| Available Languages: | English, Japanese |
| Real Exam Qty: | 60 |
| Exam Price: | Approx. USD 200 (varies by region) |
| Passing Score: | 500 (scaled score out of 800) |
| Exam Format: | Multiple-choice, Fill-in-the-blank |
| Certificate Validity Period: | 5 years |
| Recommended Training: | LPI Official Exam Objectives |
| Exam Registration: | LPI Official Registration Pearson VUE Scheduling |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Onsite at Pearson VUE test centers; Online proctored via OnVUE |
| Pre Condition: | Active LPIC-2 certification required to obtain LPIC-3 credential |
| Official Syllabus URL: | https://www.lpi.org/our-certifications/exam-303-objectives/ |
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Host Security | 13% | - Resource Control - Host Intrusion Detection - Host Hardening |
| Topic 2: Network Security | 17% | - Virtual Private Networks - Network Hardening - Network Intrusion Detection - Packet Filtering |
| Topic 3: Threats and Vulnerability Assessment | 5% | - Common Security Vulnerabilities and Threats - Penetration Testing |
| Topic 4: Access Control | 8% | - Discretionary Access Control - Mandatory Access Control |
| Topic 5: Cryptography | 17% | - X.509 Certificates and Public Key Infrastructures - Encrypted File Systems - DNS and Cryptography - X.509 Certificates for Encryption, Signing and Authentication |
The Lpi LPIC Exam 303: Security, version 3.0 (303-300日本語版) exam (exam code 303-300日本語) is the official Lpi exam that leads to the LPIC-3 Security certification, sitting at the Expert / Enterprise level of the Lpi certification track. It is also connected with LPIC-3 Mixed Environments, LPIC-3 High Availability & Storage, LPIC-3 Virtualization & Containerization. If this is the credential you are working toward, the 163 practice questions at Actual4Cert map directly to its objectives.
The Lpi LPIC Exam 303: Security, version 3.0 (303-300日本語版) exam includes 60 questions, and you have 90 minutes to complete them. Divide the time limit by the question count and you get a tight average pace per item, so train yourself to flag time-consuming questions and return to them later instead of getting stuck. Before test day, run at least one full timed session in the Actual4Cert test engine under the same limits — the clock should never surprise you.
The passing score for Lpi LPIC Exam 303: Security, version 3.0 (303-300日本語版) is 500 (scaled score out of 800), and the official registration fee is Approx. USD 200 (varies by region). A failed attempt means paying that fee in full again, so your preparation budget deserves the same attention as your study plan. A practical rule: book your exam date only after you can finish a Actual4Cert practice test comfortably above the passing score more than once.
According to Lpi, candidates should meet the following before registering: Active LPIC-2 certification required to obtain LPIC-3 credential. Requirements can change, so confirm the latest details on the official exam page before you register.
You can register for the Lpi LPIC Exam 303: Security, version 3.0 (303-300日本語版) exam through the official channels below:
Exam delivery: Onsite at Pearson VUE test centers; Online proctored via OnVUE.
Lpi lists the following official training options for this exam:
Formal training builds the theory; pair it with the 163 practice questions from Actual4Cert to find out whether you are genuinely ready for the exam.
Yes. A free PDF demo of the 303-300日本語 practice questions is available to download, so you can judge the format and quality before paying anything. Every purchase also includes 365 days of free updates, and if your product expires you can extend the update service at a 50% discount.
Your order is covered by a conditional 100% money-back guarantee: if you take the corresponding exam within 60 days of purchase and do not pass, you may apply for a full refund. Exams taken within 3 days of purchase are not eligible, nor are free materials or expired orders, and the candidate name must match the payer name. To claim, submit a scanned enrollment slip and your official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Prefer to keep studying? You can instead exchange your purchase for two free products of equal value while keeping the update service on your original one. Delivery itself is immediate: your product unlocks for instant download right after payment and a copy is emailed to you within a minute — if nothing arrives within 2 hours, contact our support team. There is no limit on the number of computers you can install it on.
The Lpi LPIC Exam 303: Security, version 3.0 (303-300日本語版) blueprint is divided into 5 major domains, starting with Network Security (17%), Access Control (8%), and Host Security (13%). The full breakdown, including every subdomain and its weighting, is listed in the Exam Topics section above — review it against your own weak areas before scheduling the exam.
Question 1
セキュリティ評価の一環として、サービスやOSのフィンガープリンティングを含む包括的なネットワークポートスキャンを実行するために一般的に使用されるツールはどれですか?
A. tcpdump
B. Wireshark
C. nmap
D. netstat
Question 2
オンライン証明書ステータスプロトコル(OCSP)の主な目的は何ですか?
A. 証明書失効リスト全体をすべてのクライアントに配布します。
B. クライアントとサーバー間で転送されるデータを暗号化します。
C. 新しいX.509証明書を自動的に生成します。
D. クライアントが特定の X.509 証明書の失効状態をリアルタイムで確認できるようにする。
Question 3
DNSSEC における NSEC3 の目的は何ですか?
A. DNSサーバーを認証する
B. DNSゾーンに署名する
C. DNSSEC鍵署名鍵に関する情報を提供する
D. ゾーン列挙を防ぐため
Question 4
どのコマンドが、ファイル afile 上のグループおよび名前付きユーザーの ACL ベースの書き込みアクセスを取り消しますか?
A. setfacl ~m group: * : rx, user :*: rx afile
B. setfacl -x group: * : rx, user:*: rx afile
C. setfacl ~m mask: : rx afile
D. setfacl -x mask: : rx afile
Question 5
次の認証方法のうち、NFS バージョン 4 に追加されたのはどれですか?
A. SSL証明書認証
B. SSHホストキー認証
C. Winbind認証
D. Kerberos認証
Solutions:
| Question 1 Answer: C | Question 2 Answer: D | Question 3 Answer: D | Question 4 Answer: C | Question 5 Answer: D |
Will
Belinda
Delia
Georgia
Joyce
Mary
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