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303-300日本語 pdf
  • Exam Code: 303-300日本語
  • Exam Name: LPIC Exam 303: Security, version 3.0 (303-300日本語版)
  • Updated: Aug 17, 2026
  • Q & A: 163 Questions and Answers
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  • Exam Code: 303-300日本語
  • Exam Name: LPIC Exam 303: Security, version 3.0 (303-300日本語版)
  • Updated: Aug 17, 2026
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  • Exam Code: 303-300日本語
  • Exam Name: LPIC Exam 303: Security, version 3.0 (303-300日本語版)
  • Updated: Aug 17, 2026
  • Q & A: 163 Questions and Answers
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Lpi 303-300日本語 Exam Syllabus Topics:

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

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

1. DoS 攻撃とは何ですか?

A) 機密情報を盗むことを目的とした攻撃
B) 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
C) 特定のユーザーまたは組織を標的とした攻撃
D) ソフトウェアの脆弱性を悪用する攻撃


2. LUKSキースロットの目的は何ですか?

A) 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。
B) 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。
C) デバイスのUUIDを保存します。
D) 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。


3. 次のキーワードのうち、iptables nat テーブルの組み込みチェアはどれですか?
(正しい答えを3つ選んでください。)

A) 処理中
B) マスカレード
C) ポストルーティング
D) プリルーティング
E) 出力


4. AIDE の目的は何ですか?

A) システムログファイルを管理する
B) 侵入やシステム変更を検出する
C) インストールされたパッケージを管理する
D) ホストスキャンを自動化する


5. GnuPGの鍵ペアを対話的に生成するには、どのコマンドを使用しますか?

A) gpg --encrypt
B) gpg --list-keys
C) gpg --export
D) gpg --gen-key


Solutions:

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

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