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

Lpi 303-300日本語 Actual PDF
  • Exam Code: 303-300-JPN
  • Exam Name: LPIC Exam 303: Security, version 3.0 (303-300日本語版)
  • Updated: Oct 19, 2026
  • Q & A: 163 Questions and Answers
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Lpi 303-300日本語 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Threats and Vulnerability Assessment3%- Vulnerability Assessment
  • 1. Security scanning
  • 2. Risk identification
  • 3. OpenVAS
- Threat Analysis
  • 1. Host-based threats
  • 2. Network threats
  • 3. Application threats
  • 4. Credential and confidentiality threats
Topic 2: Network Security12%- Virtual Private Networks
  • 1. OpenVPN
  • 2. IPsec and strongSwan
  • 3. WireGuard
- Packet Filtering
  • 1. IP sets
  • 2. nftables awareness
  • 3. iptables and ip6tables
  • 4. NAT and connection tracking
- Network Intrusion Detection
  • 1. tcpdump
  • 2. Wireshark
  • 3. Kismet
  • 4. Snort
- Network Hardening
  • 1. TCP wrappers and service restrictions
  • 2. Secure network services
Topic 3: Host Security9%- Host Intrusion Detection
  • 1. Linux Audit system
  • 2. Malware detection
  • 3. AIDE integrity checking
  • 4. Rootkit detection tools
- Resource Control
  • 1. ulimits
  • 2. Process resource management
  • 3. cgroups
- Host Hardening
  • 1. Kernel runtime protection
  • 2. Secure boot process
  • 3. Service hardening
Topic 4: Access Control8%- Discretionary Access Control
  • 1. Extended attributes
  • 2. POSIX ACLs
  • 3. File permissions
- Mandatory Access Control
  • 1. Policy enforcement
  • 2. SELinux management
  • 3. AppArmor configuration
- Authentication and Authorization
  • 1. Multi-factor authentication
  • 2. Centralized authentication
  • 3. PAM
Topic 5: Cryptography8%- X.509 Certificates and Public Key Infrastructures
  • 1. Manage certificate authorities
  • 2. Certificate revocation and validation
  • 3. Create and manage certificates
- Data Encryption
  • 1. Use LUKS and dm-crypt
  • 2. Secure data transmission
  • 3. Encrypt files and storage devices
- OpenPGP
  • 1. Sign and encrypt data
  • 2. Manage GnuPG keys
  • 3. Web of trust concepts

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

Question #1

Linux システムでホストスキャンを自動化するにはどうすればよいですか?

  • A. chkrootkit の使用
  • B. cronの使用
  • C. Linux監査システムの使用
  • D. OpenSCAP の使用
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #2

ハニーポットとは何ですか?

  • A. サービス拒否攻撃の一種
  • B. 攻撃者を罠に誘い込むために設計されたネットワークセキュリティツール
  • C. フィッシング詐欺の一種
  • D. ウイルスの一種
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #3

秘密鍵のセキュリティにとって重要な方法は次のとおりです。
(正しい答えを2つ選択してください。)

  • A. 秘密鍵は、それが使用されるシステム上で作成する必要があり、そのシステムから外に出てはなりません。
  • B. 秘密鍵は X509 証明書に含める必要があります。
  • C. 秘密鍵は、鍵生成に使用されるアルゴリズムに対して十分な長さを持つ必要があります。
  • D. 秘密鍵は公開鍵サーバーにアップロードする必要があります。
  • E. 秘密鍵は常に暗号化せずにプレーンテキストファイルとして保存する必要があります。
Reveal Solution  Discussion  0

Correct Answer: B,C  🗳️

Question #4

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. [plugins]
  • B. [crypto]
  • C. [realms]
  • D. [capaths]
  • E. [domain]
Reveal Solution  Discussion  0

Correct Answer: A,C,D  🗳️

Question #5

Linux マルウェア検出とは何ですか?

  • A. 構成管理ツール
  • B. Linux システム上のマルウェアを検出するツール
  • C. パッケージ管理ツール
  • D. ホストスキャンを自動化するツール
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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