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Updated: Sep 11, 2026

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Lpi 303-300日本語 Exam Overview:

Certification Vendor:Linux Professional Institute (LPI)
Exam Name:LPIC-3 Exam 303: Security (Version 3.0)
Exam Number:303-300
Certificate Validity Period:5 years
Exam Price:Approx. 200 USD (varies by region)
Available Languages:Spanish, English, Portuguese, German, Japanese
Exam Duration:90 minutes
Related Certifications:LPIC-3 Mixed Environments
LPIC-3 Virtualization and Containerization
LPIC-2
LPIC-1
Real Exam Qty:Approximately 60
Passing Score:500/800
Exam Format:Multiple choice, Fill in the blank
Recommended Training:LPI Official Training
Linux Academy / A Cloud Guru LPIC-3 Security Courses
Exam Registration:Pearson VUE Registration
LPI Official Certification Portal
Sample Questions:Lpi 303-300日本語 Sample Questions
Exam Way:Available via Pearson VUE test centers and online proctored exam delivery.
Pre Condition:Valid LPIC-2 certification is required before earning LPIC-3 certification.
Official Syllabus URL:https://www.lpi.org/our-certifications/lpic-3-303-security-3-0

Lpi 303-300日本語 Exam Syllabus Topics:

SectionObjectives
Vulnerability Assessment and Monitoring- Intrusion detection systems (IDS)
- Log analysis and auditing
Security Administration- System hardening
- Authentication mechanisms
Network Security- Secure network services
- VPN technologies
- Firewalls (iptables, nftables)
Cryptography- OpenSSL usage and configuration
- Public key infrastructure (PKI)
- Data encryption and signing
Access Control- Discretionary Access Control (DAC)
- Mandatory Access Control (MAC)
- SELinux and AppArmor
Application Security- Secure software configuration
- Container and service security

Lpi LPIC Exam 303: Security, version 3.0 (303-300日本語版) Sample Questions:

Question #1

pam_tally2モジュールまたはpam_faillockモジュールの目的は何ですか?

  • A. パスワード有効期限ポリシーを適用する。
  • B. 多要素認証を要求する。
  • C. ユーザーセッションごとのリソース使用量を制限する。
  • D. ログイン失敗回数を追跡し、指定された回数の失敗後にアカウントをロックします。
Answer: D

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Question #2

どのDNSラベルが、HTTPS接続のセキュリティ保護に使用されるDANE情報を指すか
https://www.example.com/?

  • A. example.com
  • B. www.example.com
  • C. soa.example.com
  • D. dane.www.example.com
  • E. _443_tcp.www.example.com
Answer: E
Question #3

Linux における拡張属性の目的は何ですか?

  • A. ディスク容量を節約するためにファイルを圧縮する
  • B. ファイルを安全に転送するために暗号化する
  • C. ファイルに関する追加のメタデータを保存する
  • D. ファイルを実行可能としてマークする
Answer: C
Question #4

どの PAM モジュールが新しいパスワードを辞書の単語と照合し、複雑さを強制しますか?
(特にパスなしのモジュール名のみ。)
解決策: pam_cracklib
与えられた解決策が正しいかどうかを判断します。

  • A. .偽
  • B. 正解
Answer: B
Question #5

ルートキットとは何ですか?

  • A. サービス拒否攻撃の一種
  • B. 正規のソフトウェアを装ったマルウェアの一種
  • C. ウイルスの一種
  • D. フィッシング詐欺の一種
Answer: B

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