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Lpi 303-300日本語 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Network Security | - VPN technologies - Secure network services - Firewalls (iptables, nftables) |
| Security Administration | - System hardening - Authentication mechanisms |
| Cryptography | - Data encryption and signing - Public key infrastructure (PKI) - OpenSSL usage and configuration |
| Vulnerability Assessment and Monitoring | - Log analysis and auditing - Intrusion detection systems (IDS) |
| Access Control | - Discretionary Access Control (DAC) - SELinux and AppArmor - Mandatory Access Control (MAC) |
| Application Security | - Container and service security - Secure software configuration |
Lpi LPIC Exam 303: Security, version 3.0 (303-300日本語版) Sample Questions:
Question 1
LUKSキースロットの目的は何ですか？
A. マスターキーの暗号化されたコピーを保存し、特定のパスフレーズまたはキーファイルで保護することで、複数の独立したロック解除方法を可能にします。
B. 冗長性のために暗号化されたデータのコピーを保存します。
C. デバイスのUUIDを保存します。
D. 暗号化ボリュームで使用されるファイルシステムの種類を定義します。
Question 2
getcifsacl の出力に存在する可能性のあるプレフィックスは次のどれですか?
（正しい答えを3つ選んでください。）
A. グループ
B. SID
C. 所有者
D. 許可
E. ACL
Question 3
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. 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。
B. 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。
C. 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。
D. 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。
Question 4
nftablesにおいて、「ベースチェーン」と「レギュラーチェーン」の違いは何ですか？
A. ベースチェーンはNATルールにのみ使用されます。
B. ベース鎖と通常の鎖の間には機能的な違いはありません。
C. ベースチェーンは、入力や転送などのネットフィルタフックに直接接続され、カーネルからパケットを受信できるようにします。
D. ベースチェーンには、acceptルールのみを含めることができます。
Question 5
IP セットの目的は何ですか?
A. ローカル ネットワーク上のネイバーが使用する IP アドレスと MAC アドレスをグループ化します。
B. ネットワーク ルーティング テーブルで参照できる IP アドレスとネットワークをグループ化します。
C. netfilter ルールで参照できる IP アドレスをグループ化します。
D. 同じネットワーク インターフェイスに割り当てられた IP アドレスをグループ化します。
E. /etc/hosts.allowから参照できるIPアドレスとユーザー名をグループ化し、
拒否
Solutions:
| Question 1 Answer: A | Question 2 Answer: A,B,E | Question 3 Answer: C | Question 4 Answer: C | Question 5 Answer: C |
