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Updated: Aug 13, 2026

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Lpi 303-300日本語 Exam Overview:

Certification Vendor:Linux Professional Institute (LPI)
Exam Name:LPIC Exam 303: Security, Version 3.0
Exam Number:303-300
Exam Format:Multiple Choice, Fill in the Blank
Related Certifications:LPIC-3 Security
Certificate Validity Period:5 years
Exam Price:$200 USD
Available Languages:English, Japanese
Passing Score:500/800
Exam Duration:90 minutes
Real Exam Qty:60
Sample Questions:Lpi 303-300日本語 Sample Questions
Exam Way:Pearson VUE Test Center or Online Proctored Exam (OnVUE)
Pre Condition:An active LPIC-2 certification is required to obtain the LPIC-3 Security certification. LPIC-2 and LPIC-3 exams may be taken in any order.
Official Syllabus URL:https://www.lpi.org/our-certifications/exam-303-objectives/

Lpi 303-300日本語 Exam Syllabus Topics:

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

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

1. Linux におけるアクセス制御リストの目的は何ですか?

A) ユーザーとグループに対してきめ細かな権限を指定する
B) ファイルを実行可能としてマークする
C) ファイルを安全に転送するために暗号化する
D) ディスク容量を節約するためにファイルを圧縮する


2. 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)
B) 正解


3. AIDE を構成するために使用されるファイルはどれですか?

A) /etc/maldet.conf
B) /etc/audit/auditd.conf
C) /etc/rkhunter.conf
D) /etc/aide/aide.conf


4. X509 証明書には次の情報が含まれます。
X509v3 基本制約: クリティカル CA:TRUE、パス長:0
証明書に関して正しいのは次のうちどれですか?
(正しい答えを3つ選んでください。)

A) この証明書は認証局に属します。
B) この証明書は、他の証明書に署名するために使用することはできません。
C) この証明書は、証明機関ではない証明書に署名するために使用できます。
D) この証明書は、下位の証明機関の証明書に署名するために使用できます。
E) この証明書は、リストされている拡張子を理解しないプログラムでは受け入れられません。


5. 次の DNS レコードのうち、IP アドレスをホスト名にマッピングするために使用されるものはどれですか?

A) A
B) PTR
C) NS
D) SOA


Solutions:

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

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