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

1. コマンド dnssec-signzone でゾーンに追加できる DNS レコード タイプは次のどれですか。
（正しい答えを3つ選んでください。）

A) NSEC3
B) RRSIG
C) NSSIG
D) アシグ
E) NSEC

2. Linux システムにおけるファイル所有権の目的は何ですか?

A) ファイルが定期的にバックアップされるようにする
B) 複数のユーザーが同時にファイルにアクセスできるようにする
C) ファイルが誤って削除されるのを防ぐため
D) ファイルへのアクセスを所有者のみに制限する

3. 次の用語のうち、nmap を使用した既存のスキャン手法を指すものはどれですか?
（正しい答えを2つ選択してください。）

A) FINスキャン
B) ゼロスキャン
C) クリスマススキャン
D) UDP SYNスキャン
E) IPスキャン

4. Linux におけるアクセス制御リストの目的は何ですか?

A) ユーザーとグループに対してきめ細かな権限を指定する
B) ファイルを実行可能としてマークする
C) ディスク容量を節約するためにファイルを圧縮する
D) ファイルを安全に転送するために暗号化する

5. 次のコマンドは TCP パケットにどのような影響を与えますか?
iptables- A 入力 d 10.142.232.1 p tcp --dport 20:21 j 承認

A) IP アドレス 10.142.232.1 のポート 20 と 21 のすべての TCP トラフィックを受け入れます。
B) ポート20または21以外のすべてのTCPトラフィックをIPアドレス10.142.232.1に転送します。
C) 10.142.232.1 からポート 20 または 21 宛てに送信されるすべての TCP トラフィックをドロップします。
D) 10.142.232.1 からのポート 20 または 21 宛の TCP トラフィックのみを受け入れます。

Solutions: