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

303-300日本語 Exam Simulator
  • Exam Code: 303-300-JPN
  • 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 simulator

Lpi 303-300日本語 Exam Syllabus Topics:

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

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

1. snort-stat プログラムの目的は何ですか?

A) すべての Snort プロセスのステータスを表示します。
B) 実行中の Snort プロセスの統計情報を表示します。
C) 設定されているすべてのネットワーク デバイスのステータスを返します。
D) Snort 情報を含む syslog ファイルを読み取り、ポート スキャンの統計を生成します。
E) Snort プロセスがまだ実行されており、パケットを処理しているかどうかを報告します。


2. リモートサーバーのTLS/SSL構成と証明書の詳細をテストおよび検証するために一般的に使用されるコマンドラインツールはどれですか?

A) tcpdump
B) nmap -sV
C) openssl s_client
D) ss -tlnp


3. sysctl コマンドで変更できるデータはどのパスからアクセスできますか?

A) /sysctl/
B) /dev/sys/
C) /sys/
D) /proc/sys/


4. Linux マルウェア検出とは何ですか?

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


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 list ruleset
C) nft dump chains
D) nft get rules


Solutions:

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

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