Lpi 303-300日本語 Valid Q&A - in .pdf

  • 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 14, 2026
  • Q & A: 163 Questions and Answers
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Lpi 303-300日本語 Valid Q&A - Testing Engine

  • 303-300日本語 Testing Engine
  • Exam Code: 303-300日本語
  • Exam Name: LPIC Exam 303: Security, version 3.0 (303-300日本語版)
  • Updated: Aug 14, 2026
  • Q & A: 163 Questions and Answers
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Lpi 303-300日本語 Exam Syllabus Topics:

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

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

1. トロイの木馬とは何ですか?

A) 正規のソフトウェアを装ったマルウェアの一種
B) ウイルスの一種
C) サービス拒否攻撃の一種
D) フィッシング詐欺の一種


2. フィッシングとは何ですか?

A) 正規のソフトウェアを装うマルウェアの一種
B) ウイルスの一種
C) サービス拒否攻撃の一種
D) ソーシャルエンジニアリング攻撃の一種


3. chroot 環境について正しい記述は次のどれですか?

A) セキュリティを強化するため、chroot パス外のファイルへのハードリンクは追跡されません。
B) chrootコマンドを使用する場合、開始されたコマンドは独自の名前空間で実行され、他のプロセスと通信できません。
C) chrootパス外のデータへのシンボリックリンクがたどられ、ファイルやディレクトリにアクセスできるようになります。
D) プログラムは関数呼び出しを使用してchrootパスを設定することはできません。コマンドchrootを使用する必要があります。
E) chrootパスには、chroot環境で実行されるプログラムに必要なすべてのデータが含まれている必要があります。


4. 特定のバイナリファイルに現在割り当てられている機能を表示するコマンドはどれですか?

A) chmod +cap /path/to/binary
B) getcap /path/to/binary
C) setcap /path/to/binary
D) capsh --print


5. nftables コマンドのうち、現在アクティブなルールセット(すべてのテーブル、チェーン、ルールを含む)を表示するコマンドはどれですか?

A) nft show tables
B) nft get rules
C) nft list ruleset
D) nft dump chains


Solutions:

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

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