Study with 303-300日本語 Actual Test Questions
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Updated: Jul 24, 2026
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Lpi 303-300日本語 Exam Overview:
| Certification Vendor: | Linux Professional Institute (LPI) |
| Exam Name: | LPIC-3 Exam 303: Security (Version 3.0) |
| Exam Number: | 303-300 |
| Available Languages: | English, German, Japanese, Portuguese, Spanish |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | Approximately 60 |
| Passing Score: | 500/800 |
| Related Certifications: | LPIC-1 LPIC-2 LPIC-3 Mixed Environments LPIC-3 Virtualization and Containerization |
| Certificate Validity Period: | 5 years |
| Exam Format: | Multiple choice, Fill in the blank |
| Exam Price: | Approx. 200 USD (varies by region) |
| Recommended Training: | Linux Academy / A Cloud Guru LPIC-3 Security Courses LPI Official Training |
| Exam Registration: | Pearson VUE Registration LPI Official Certification Portal |
| Sample Questions: | Lpi 303-300日本語 Sample Questions |
| Exam Way: | Available via Pearson VUE test centers and online proctored exam delivery. |
| Pre Condition: | Valid LPIC-2 certification is required before earning LPIC-3 certification. |
| Official Syllabus URL: | https://www.lpi.org/our-certifications/lpic-3-303-security-3-0 |
Lpi 303-300日本語 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Application Security | - Container and service security - Secure software configuration |
| Security Administration | - Authentication mechanisms - System hardening |
| Access Control | - SELinux and AppArmor - Discretionary Access Control (DAC) - Mandatory Access Control (MAC) |
| Cryptography | - OpenSSL usage and configuration - Data encryption and signing - Public key infrastructure (PKI) |
| Vulnerability Assessment and Monitoring | - Intrusion detection systems (IDS) - Log analysis and auditing |
| Network Security | - VPN technologies - Firewalls (iptables, nftables) - Secure network services |
Lpi LPIC Exam 303: Security, version 3.0 (303-300日本語版) Sample Questions:
1. 次のアクセス制御モデルのうち、SELinux を使用して確立されるものはどれですか?
A) 任意アクセス制御 (DAC)
B) グループ アクセス制御 (GAC)
C) セキュリティ アクセス制御 (SAC)
D) ユーザー アクセス制御 (UAC)
E) 強制アクセス制御 (MAC)
2. Kerberos 構成ファイル krb5.conf 内で許可されるセクションは次のどれですか?
（正しい答えを3つ選んでください。）
A) [domain]
B) [plugins]
C) [realms]
D) [crypto]
E) [capaths]
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によって信頼されているルート証明書
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によって生成された鍵ペア
4. 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- timer 500
B) -- tls- timer 5
C) -- tls- timeout 500
D) -- tls-timeout 5
5. 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) 環境変数の最大数
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) 新規に作成されるファイルの最大数
E) 開いているファイル記述子の最大数
Solutions:
| Question # 1 Answer: E | Question # 2 Answer: B,C,E | Question # 3 Answer: B | Question # 4 Answer: D | Question # 5 Answer: B,C,E |
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