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

1. sysctl コマンドで変更できるデータはどのパスからアクセスできますか?

A) /dev/sys/
B) /sysctl/
C) /sys/
D) /proc/sys/

2. 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- timer 5
C) -- tls- timer 500
D) -- tls-timeout 5

3. 次のコマンドのうち、ファイル/etc/firewall/rules への読み取りおよび書き込み操作を監視し、そのルールをファイアウォールという名前に関連付ける監査ルールを定義するものはどれですか。

A) auditctl -N firewall -r r: /etc/firewall/rules -r w: etc/firewall/rules
B) echo "n: firewall r:/etc/firewall/rules: w:/etc/firewall/rules:" | auditctl ~
C) auditctl -w /etc/firewall/rules -p rw -k firewall
D) auditctl --read /etc/firewall/rules --write /etc/firewall/rules --label firewall
E) auditctl -A -f /etc/firewall/rules -o r -o w -l firewall

4. 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) 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
B) ファイルが定期的にバックアップされるようにする
C) ファイルへのアクセスを所有者のみに制限する
D) ファイルが誤って削除されるのを防ぐため

5. 次のコンポーネントのうち、FreeIPA に含まれるものはどれですか?
（正しい答えを3つ選んでください。）

A) ケルベロス KDC
B) ディレクトリサーバー
C) 公開鍵インフラストラクチャ
D) 侵入検知システム
E) DHCP サーバー

Solutions: