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

  • Exam Code: 303-300-JPN
  • Exam Name: LPIC Exam 303: Security, version 3.0 (303-300日本語版)
  • Updated: Jul 24, 2026     Q & A: 163 Questions and Answers

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Lpi 303-300日本語 Exam Syllabus Topics:

SectionObjectives
Cryptography- OpenSSL usage and configuration
- Data encryption and signing
- Public key infrastructure (PKI)
Application Security- Secure software configuration
- Container and service security
Network Security- Firewalls (iptables, nftables)
- Secure network services
- VPN technologies
Access Control- Discretionary Access Control (DAC)
- SELinux and AppArmor
- Mandatory Access Control (MAC)
Vulnerability Assessment and Monitoring- Intrusion detection systems (IDS)
- Log analysis and auditing
Security Administration- Authentication mechanisms
- System hardening

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

1. 秘密鍵のセキュリティにとって重要な方法は次のとおりです。
(正しい答えを2つ選択してください。)

A) 秘密鍵は、鍵生成に使用されるアルゴリズムに対して十分な長さを持つ必要があります。
B) 秘密鍵は常に暗号化せずにプレーンテキストファイルとして保存する必要があります。
C) 秘密鍵は X509 証明書に含める必要があります。
D) 秘密鍵は、それが使用されるシステム上で作成する必要があり、そのシステムから外に出てはなりません。
E) 秘密鍵は公開鍵サーバーにアップロードする必要があります。


2. 次の DNS レコードのうち、DNS で X.509 証明書と証明機関情報を公開するために使用されるものはどれですか。

A) CAA
B) A
C) NSEC
D) DS


3. Linux でファイルの拡張属性を設定するために使用されるコマンドはどれですか?

A) 取得facl
B) 取得fattr
C) 設定ファイル
D) 設定ファクル


4. DNSSEC における DNSKEY レコードの目的は何ですか?

A) DNSゾーンに署名する
B) DNSサーバーに関する情報を提供する
C) IPアドレスをホスト名にマッピングする
D) DNSクエリの信頼性を検証する


5. 次の式のうち、有効な AIDE ルールはどれですか?
(正しい答えを2つ選択してください。)

A) /usr=all
B) /etc p+i+u+g
C) #/bin/
D) !/var/run/.*
E) append: /var/log/*


Solutions:

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

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