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Lpi 303-300日本語 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Access Control | - Mandatory Access Control (MAC) - Discretionary Access Control (DAC) - SELinux and AppArmor |
| Topic 2: Cryptography | - OpenSSL usage and configuration - Data encryption and signing - Public key infrastructure (PKI) |
| Topic 3: Security Administration | - Authentication mechanisms - System hardening |
| Topic 4: Vulnerability Assessment and Monitoring | - Log analysis and auditing - Intrusion detection systems (IDS) |
| Topic 5: Network Security | - Secure network services - Firewalls (iptables, nftables) - VPN technologies |
| Topic 6: Application Security | - Secure software configuration - Container and service security |
Lpi LPIC Exam 303: Security, version 3.0 (303-300日本語版) Sample Questions:
1. 暗号文とは何ですか?
A) メッセージを暗号化するために使用されるアルゴリズム
B) 暗号化されたメッセージ
C) メッセージを暗号化するために使用されるキー
D) 暗号化前の元のメッセージ
2. 中間者攻撃とは何ですか?
A) ネットワークやサーバーに大量のトラフィックを流して利用不能にする攻撃
B) 二者間の通信を傍受して情報を盗む攻撃
C) 機密情報を盗むことを目的とした攻撃
D) 特定のユーザーまたは組織を標的とした攻撃
3. トラストアンカーとは何ですか?
A) 特定のCAによって信頼されている公開鍵のリスト
B) 特定のCAによって生成された鍵ペア
C) 特定のCAによって信頼されている秘密鍵のリスト
D) 特定のCAによって信頼されているルート証明書
4. ルート CA の証明書に関して正しいのは次のうちどれですか?
（正しい答えを3つ選んでください。）
A) 共通名としてホスト名を含める必要があります。
B) 有効期間は無限で、期限が切れることはありません。
C) 自己署名証明書です。
D) X509v3 Authority 拡張を含める必要があります。
E) CA の秘密鍵は含まれません。
5. OpenSSLのどのコマンドを使えば、新しいRSA秘密鍵とそれに対応する証明書署名要求(CSR)を一度に生成できますか？
A) openssl ca -in req.csr
B) openssl req -new -newkey rsa:2048 -keyout key.pem -out req.csr
C) openssl genpkey -algorithm RSA
D) openssl x509 -req -in key.pem
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: B | Question # 3 Answer: D | Question # 4 Answer: C,D,E | Question # 5 Answer: B |
