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Lpi 303-300日本語 Exam Braindumps - in .pdf Free Demo

  • Exam Code: 303-300-JPN
  • Exam Name: LPIC Exam 303: Security, version 3.0 (303-300日本語版)
  • Last Updated: Nov 08, 2026
  • Q & A: 163 Questions and Answers
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  • Exam Code: 303-300-JPN
  • Exam Name: LPIC Exam 303: Security, version 3.0 (303-300日本語版)
  • Last Updated: Nov 08, 2026
  • Q & A: 163 Questions and Answers
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Lpi 303-300日本語 Exam Syllabus Topics:

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

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

Question #1

オンライン証明書ステータスプロトコル(OCSP)の主な目的は何ですか?

  • A. クライアントとサーバー間で転送されるデータを暗号化します。
  • B. クライアントが特定の X.509 証明書の失効状態をリアルタイムで確認できるようにする。
  • C. 証明書失効リスト全体をすべてのクライアントに配布します。
  • D. 新しいX.509証明書を自動的に生成します。
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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Question #2

Linuxのケーパビリティは、従来の「すべてかゼロか」というルート権限モデルを分割するために導入されたものですが、その目的は何でしょうか?

  • A. これらはコンテナ化された環境内でのみ使用されます。
  • B. これらは、すべてのバイナリで setuid ビットの必要性を完全に置き換えます。
  • C. プロセスごとのネットワーク帯域幅の割り当てを制御します。
  • D. 完全なルートアクセスを許可することなく、プロセスに特定のきめ細かい権限(低番号のポートへのバインドなど)を付与できます。
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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Question #3

ネットワーク構成情報をクライアントに送信するために、OpenVPN サーバー構成で使用されるディレクティブはどれですか?
(値やパラメータなしでオプション名のみを指定します。)
解決策: プッシュ
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
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #4

新しい SPD エントリを作成するために、setkey のパラメータ ファイルで使用されるステートメントは次のどれですか。

  • A. 追加spd
  • B. ニュース
  • C. spdadd
  • D. 速さ
  • E. spdnew
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #5

Linux システムでルートキットをチェックするにはどのツールを使用できますか?

  • A. OpenSCAP
  • B. 補佐官
  • C. chkrootkit
  • D. 回転数
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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