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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: Sep 30, 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: Sep 30, 2026
  • Q & A: 163 Questions and Answers
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Lpi 303-300日本語 Exam Syllabus Topics:

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

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

Question #1

次の openssl コマンドのうち、ファイル private/keypair.pem に含まれる既存の秘密鍵を使用して証明書署名要求 (CSR) を生成するものはどれですか。

  • A. openssl req - new -key private/keypair.pem -out req/csr.pem
  • B. openssl req -key private/keypair.pem -out req/csr.pem
  • C. openssl gencsr -key private/keypair.pem -out req/csr.pem
  • D. openssl gencsr -new- key private/keypair.pem -out req/csr.pem
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #2

SELinux 権限は標準の Linux 権限とどのように関連していますか?
(正しい答えを2つ選択してください。)

  • A. SELinux 権限は標準の Linux 権限よりも先に検証されます。
  • B. 標準の Linux 権限は SELinux 権限よりも優先されます。
  • C. SELinux 権限は、標準の Linux 権限の後に検証されます。
  • D. SELinux 権限は標準の Linux 権限をオーバーライドします。
Reveal Solution  Discussion  0

Correct Answer: B,C  🗳️

Question #3

次の認証方法のうち、NFS バージョン 4 に追加されたのはどれですか?

  • A. Winbind認証
  • B. SSL証明書認証
  • C. SSHホストキー認証
  • D. Kerberos認証
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #4

X.509 証明書を送信するために一般的に使用されるプロトコルはどれですか?

  • A. SMTPS
  • B. HTTPS
  • C. LDAP
  • D. FTPS
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #5

適切なネットワークと名前解決の設定がある場合、次のコマンドのどれが FreeIPA ドメインと Active Directory ドメイン間の信頼を確立しますか?

  • A. ipa ad join addom -U Administrator -w
  • B. trustmanager add --domain ad: //addom --user Administrator -w
  • C. ipa trust-add --type ad addom --admin Administrator --password
  • D. net ad ipajoin addom -U Administrator -p
  • E. ipa-ad -add-trust --account ADDOM\Administrator--query-password
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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