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

303-300日本語 real exams

Exam Code: 303-300-JPN

Exam Name: LPIC Exam 303: Security, version 3.0 (303-300日本語版)

Updated: Sep 18, 2026

Q & A: 163 Questions and Answers

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Lpi 303-300日本語 Exam Syllabus Topics:

SectionObjectives
Topic 1: Security Administration- System hardening
- Authentication mechanisms
Topic 2: Network Security- Firewalls (iptables, nftables)
- VPN technologies
- Secure network services
Topic 3: Access Control- Discretionary Access Control (DAC)
- Mandatory Access Control (MAC)
- SELinux and AppArmor
Topic 4: Application Security- Secure software configuration
- Container and service security
Topic 5: Vulnerability Assessment and Monitoring- Log analysis and auditing
- Intrusion detection systems (IDS)
Topic 6: Cryptography- OpenSSL usage and configuration
- Data encryption and signing
- Public key infrastructure (PKI)

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

Question #1

X.509 証明書とは何ですか?

  • A. ウェブサイトの身元を証明するデジタル文書
  • B. デバイスのIDを確認するデジタル文書
  • C. 企業の身元を証明するデジタル文書
  • D. 個人の身元を証明するデジタル文書
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #2

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. 多要素認証を要求する。
  • B. パスワード有効期限ポリシーを適用する。
  • 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。
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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Question #3

OpenVPN が制御パケットをピアに送信する場合、デフォルトでは 2 秒以内に確認応答が返されることを期待します。次のオプションのうち、タイムアウト期間を 5 秒に変更するものはどれですか。

  • A. -- tls- timeout 500
  • B. -- tls-timeout 5
  • C. -- tls- timer 5
  • D. -- tls- timer 500
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #4

Linux 監査システム内で指定できるのは次のどのタイプですか?
(正しい答えを3つ選んでください。)

  • A. 制御ルール
  • B. システムコールルール
  • C. ファイルシステムのルール
  • D. ネットワーク接続ルール
  • E. コンソールルール
Reveal Solution  Discussion  0

Correct Answer: A,B,C  🗳️

Question #5

TSIG は、安全なゾーン転送を実行するためにネーム サーバーをどのように認証しますか?

  • A. 両方のサーバーが相互に X509 証明書を検証します。
  • B. 両方のサーバーは、転送されたゾーンを委任するために使用される NS レコードのラベルに対して適切な DANE レコードを検証します。
  • C. 両方のサーバーは、サーバー間で共有される秘密キーを使用します。
  • D. 両方のサーバーは DNSSEC を使用して、転送されたゾーンに対して権限があることを相互に検証します。
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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