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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. 証明書チェーンとは何ですか?

A) 暗号化と復号化に使用される公開鍵と秘密鍵のチェーン
B) 暗号化と復号化に使用される公開鍵と秘密鍵のシーケンス
C) 証明書の信頼性を検証するために使用されるデジタル署名のチェーン
D) デジタル証明書の信頼性を検証するために使用される証明書のシーケンス

2. 次のコマンドのうち、ユーザー usera の自動パスワード有効期限を無効にするものはどれですか?

A) chage --lastday none usera
B) chage --lastday 0 usera
C) chage --maxdays -1 usera
D) chage --maxdays 99 usera
E) chage --maxdays none usera

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。
B) 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。
C) SYNスキャンはUDPサービスに対してのみ使用できます。
D) 2種類のスキャンタイプに違いはありません。

4. 次の DNS レコードのうち、DNS で X.509 証明書と証明機関情報を公開するために使用されるものはどれですか。

A) DS
B) NSEC
C) A
D) CAA

5. 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) ゾーン列挙を防ぐため
C) DNSゾーンに署名する
D) DNSSEC鍵署名鍵に関する情報を提供する

Solutions: