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Lpi 303-300日本語 Exam Syllabus Topics:

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

1. DNSSEC 署名ゾーン内の次の情報のうち、キー署名キーによって署名されるものはどれですか?

A) ゾーンのゾーン署名キー。
B) ゾーンの NSEC または NSEC3 レコード。
C) ゾーンの RRSIG レコード。
D) ゾーンを指す DS レコード。
E) A、AAAA、MX などの非 DNSSEC レコード。

2. PAMを介してユーザーに適用される、最大オープンファイル数や最大プロセス数などのリソース制限のデフォルトセットを定義するファイルはどれですか？

A) /etc/sysctl.conf
B) /etc/login.defs
C) /etc/security/limits.conf
D) /etc/pam.d/common-session

3. TCPコネクトスキャン(nmap -sT)ではなく、TCP SYNスキャン(nmap -sS)を実行する目的は何ですか？

A) SYNスキャンはUDPサービスに対してのみ使用できます。
B) 2種類のスキャンタイプに違いはありません。
C) SYNスキャンは接続スキャンよりも遅いですが、精度が高いです。
D) SYNスキャンは完全なTCPスリーウェイハンドシェイクを完了しないため、より高速で、ターゲットアプリケーションにログが記録される可能性が低くなります。

4. 書き込みアクセスを監視する一時的な監査ルールを追加するには、どのコマンドを使用しますか？
/etc/passwd ファイル？

A) aureport -f /etc/passwd
B) auditctl -w /etc/passwd -p wa -k passwd_changes
C) ausearch -f /etc/passwd
D) auditd -w /etc/passwd

5. 次のどれが HID ツールの例ですか?

A) ファイアウォール
B) 侵入防止システム (IPS)
C) ウイルス対策ソフトウェア
D) セキュリティ情報およびイベント管理 (SIEM) システム

Solutions: