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Exam Code: 303-300
Exam Name: LPIC Exam 303: Security, version 3.0 (303-300日本語版)
Certification Provider: Lpi
Corresponding Certification: LPIC-3

Lpi : 303-300日本語 Questions & Answers

303-300日本語

Updated: Sep 08, 2026

No. of Questions: 163 Questions & Answers with Testing Engine

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Lpi 303-300日本語 Exam Syllabus Topics:

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

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

Question 1

マウントされたファイルシステム上のバイナリの実行を防止するマウントオプションはどれですか？

A. ノスイド
B. ro
C. nodev
D. noexec


Question 2

Linux 監査システム内で指定できるのは次のどのタイプですか?
（正しい答えを3つ選んでください。）

A. ネットワーク接続ルール
B. コンソールルール
C. 制御ルール
D. ファイルシステムのルール
E. システムコールルール


Question 3

OpenSSL 構成の次の行のうち、ホスト名 example.org および www.example.org の X 509v3 サブジェクト別名拡張を証明書に追加する行はどれですか。

A. subject= CN= www.example.org, CN=example.org
B. subjectAltName: www.example.org, subjectAltName: example.org
C. subjectAltName = DNS: www.example.org, DNS:example.org
D. extension= SAN: www.example.org, SAN:example.org
E. commonName = subjectAltName= www.example.org, subjectAltName = example.org


Question 4

openssl s_client の次のパラメータのうち、TLS サーバー名表示に使用するホスト名を指定するものはどれですか?

A. -tlsname
B. -sniname
C. -servername
D. -host
E. -vhost


Question 5

Apacheの設定において、ホスト名/ドメイン名とIPアドレスに基づいてアクセスを制限するために使用されるディレクティブはどれですか？

A. 拒否と承認
B. 注文、許可、拒否
C. 制限と許可
D. IPを許可、IPを拒否、ドメインを許可、ドメインを拒否
E. 注文、拒否、承認


Solutions:

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

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