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

  • Exam Code: 303-300-JPN
  • Exam Name: LPIC Exam 303: Security, version 3.0 (303-300日本語版)
  • Updated: Aug 23, 2026     Q & A: 163 Questions and Answers

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Lpi 303-300日本語 Exam Syllabus Topics:

SectionWeightObjectives
Cryptography17%- X.509 Certificates for Encryption, Signing and Authentication
- DNS and Cryptography
- X.509 Certificates and Public Key Infrastructures
- Encrypted File Systems
Network Security17%- Packet Filtering
- Network Intrusion Detection
- Virtual Private Networks
- Network Hardening
Access Control8%- Mandatory Access Control
- Discretionary Access Control
Threats and Vulnerability Assessment5%- Penetration Testing
- Common Security Vulnerabilities and Threats
Host Security13%- Host Hardening
- Host Intrusion Detection
- Resource Control

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

1. 次のコマンドのうち、SSSD のローカル サービスを使用してユーザーを追加するものはどれですか?

A) sss_local_adduser
B) sss_add
C) sss_useradd
D) sss-addlocaluser
E) sss_adduser


2. 次のコマンドのうち、FreeIPA に新しいユーザー usera を追加するものはどれですか?

A) idap- useradd -H Idaps://ipa-server CN=UserA --attribs "Firstname: User: Lastname: A"
B) ipa-user- add usera --name "User A"
C) ipa-admin create user --account usera --fname User --iname A
D) useradd usera --directory ipa --gecos "User A"
E) ipa user-add usera --first User --last A


3. TSIG は、安全なゾーン転送を実行するためにネーム サーバーをどのように認証しますか?

A) 両方のサーバーが相互に X509 証明書を検証します。
B) 両方のサーバーは、サーバー間で共有される秘密キーを使用します。
C) 両方のサーバーは、転送されたゾーンを委任するために使用される NS レコードのラベルに対して適切な DANE レコードを検証します。
D) 両方のサーバーは DNSSEC を使用して、転送されたゾーンに対して権限があることを相互に検証します。


4. AppArmorプロファイルにおいて、「苦情」モードはどのような機能を持つのでしょうか?

A) その特定のプロファイルのみAppArmorを無効にします。
B) 観察された行動に基づいて新しいプロファイルを自動的に生成します。
C) SELinuxのパーミッシブモードと同様に、制限を強制することなくポリシー違反をログに記録します。
D) すべての制限された操作をブロックし、プロセスを終了します。


5. 鍵に割り当てられるGnuPGの「信頼レベル」の目的は、その鍵に対する署名の目的と何が違うのでしょうか?

A) キーシグネチャと意味が同じであり、冗長です。
B) キーの有効期限を決定します。
C) 鍵の真正性がどの程度強力に検証されているかを示します。
D) これは、所有者がその鍵の所有者が他人の鍵を適切に確認し署名することをどれだけ信頼しているかを示します。


Solutions:

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

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