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Lpi 303-300日本語 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Security Administration | - Authentication mechanisms - System hardening |
| Cryptography | - OpenSSL usage and configuration - Public key infrastructure (PKI) - Data encryption and signing |
| Network Security | - Secure network services - Firewalls (iptables, nftables) - VPN technologies |
| Vulnerability Assessment and Monitoring | - Intrusion detection systems (IDS) - Log analysis and auditing |
| Access Control | - SELinux and AppArmor - Mandatory Access Control (MAC) - Discretionary Access Control (DAC) |
| 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. シェルとその子プロセスの次のリソースのうち、Bash 組み込みコマンド ulimit によって制御でき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) 新規に作成されるファイルの最大数
B) 書き込まれるファイルの最大サイズ
C) ユーザープロセスの最大数
D) 開いているファイル記述子の最大数
E) 環境変数の最大数
2. DNS における TSIG の目的は何ですか?
A) DNSクエリを暗号化する
B) DNSサーバーに関する情報を提供する
C) 安全な通信のためにDNSメッセージに署名する
D) ドメイン名をIPアドレスにマッピングする
3. 一時キーがスワップ領域に書き込まれないようにするには、openvpn コマンドのどのオプションを使用する必要がありますか?
A) --mlock
B) --keys-no-swap
C) --root-swap
D) --no-swap
4. 証明書チェーンとは何ですか?
A) 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
B) 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
C) 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
D) 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
5. 次の openssl コマンドのうち、ファイル private/keypair.pem に含まれる既存の秘密鍵を使用して証明書署名要求 (CSR) を生成するものはどれですか。
A) openssl req - new -key private/keypair.pem -out req/csr.pem
B) openssl req -key private/keypair.pem -out req/csr.pem
C) openssl gencsr -new- key private/keypair.pem -out req/csr.pem
D) openssl gencsr -key private/keypair.pem -out req/csr.pem
Solutions:
| Question # 1 Answer: B,C,D | Question # 2 Answer: C | Question # 3 Answer: A | Question # 4 Answer: C | Question # 5 Answer: A |
