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

  • Exam Code: 303-300-JPN
  • Exam Name: LPIC Exam 303: Security, version 3.0 (303-300日本語版)
  • Updated: Jul 27, 2026
  • Q & A: 163 Questions and Answers

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Lpi 303-300日本語 Exam Syllabus Topics:

SectionWeightObjectives
Access Control8%- Mandatory Access Control
  • 1. SELinux management
  • 2. AppArmor configuration
  • 3. Policy enforcement
- Authentication and Authorization
  • 1. Centralized authentication
  • 2. Multi-factor authentication
  • 3. PAM
- Discretionary Access Control
  • 1. Extended attributes
  • 2. File permissions
  • 3. POSIX ACLs
Cryptography8%- OpenPGP
  • 1. Manage GnuPG keys
  • 2. Sign and encrypt data
  • 3. Web of trust concepts
- Data Encryption
  • 1. Secure data transmission
  • 2. Encrypt files and storage devices
  • 3. Use LUKS and dm-crypt
- X.509 Certificates and Public Key Infrastructures
  • 1. Certificate revocation and validation
  • 2. Manage certificate authorities
  • 3. Create and manage certificates
Host Security9%- Host Hardening
  • 1. Service hardening
  • 2. Secure boot process
  • 3. Kernel runtime protection
- Host Intrusion Detection
  • 1. Malware detection
  • 2. AIDE integrity checking
  • 3. Linux Audit system
  • 4. Rootkit detection tools
- Resource Control
  • 1. Process resource management
  • 2. ulimits
  • 3. cgroups
Threats and Vulnerability Assessment3%- Vulnerability Assessment
  • 1. Security scanning
  • 2. Risk identification
  • 3. OpenVAS
- Threat Analysis
  • 1. Network threats
  • 2. Application threats
  • 3. Credential and confidentiality threats
  • 4. Host-based threats
Network Security12%- Virtual Private Networks
  • 1. OpenVPN
  • 2. WireGuard
  • 3. IPsec and strongSwan
- Packet Filtering
  • 1. nftables awareness
  • 2. IP sets
  • 3. iptables and ip6tables
  • 4. NAT and connection tracking
- Network Hardening
  • 1. TCP wrappers and service restrictions
  • 2. Secure network services
- Network Intrusion Detection
  • 1. Kismet
  • 2. Wireshark
  • 3. tcpdump
  • 4. Snort

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

1. 次のコマンド ラインのうち、ntop の管理者パスワードをテスト 123 に設定するものはどれですか。

A) ntop --set-new-password=testing123
B) ntop --set-password=testing123
C) ntop --reset-password=testing123
D) ntop --set-admin-password=testing123


2. SELinux コンテキストを変更するユーザーに対して新しいシェルを実行するために使用されるコマンドはどれですか?
(パスやパラメータなしでコマンドのみを指定します。)
解決策: newrole
与えられた解決策が正しいかどうかを判断します。

A) .偽
B) 正解


3. 次のどれが動作ベースの HID 技術の例ですか?

A) ヒューリスティックベースの検出
B) 異常ベースの検出
C) シグネチャベースの検出
D) ルールベースの検出


4. 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秘密鍵のリスト
C) 特定のCAによって信頼されているルート証明書
D) 特定のCAによって生成された鍵ペア


5. Linux でファイルの所有者とグループを設定するために使用されるコマンドはどれですか?

A) chmod
B) グループチェンジ
C) チャウン
D) 設定ファクル


Solutions:

Question # 1
Answer: D
Question # 2
Answer: B
Question # 3
Answer: B
Question # 4
Answer: C
Question # 5
Answer: C

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