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: Jul 21, 2026     Q & A: 121 Questions and Answers

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Lpi 303-300日本語 Exam Syllabus Topics:

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

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. すべてのサブコンポーネントを含む新しい FreeIPA サーバーをインストールおよび構成し、新しい FreeIPA ドメインを作成するコマンドはどれですか?
(特に、パスやパラメータのないコマンドのみ)。
解決策: ipa-server-install
与えられた解決策が正しいかどうかを判断します。

A) 正解
B) .偽


3. 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


4. 一時キーがスワップ領域に書き込まれないようにするには、openvpn コマンドのどのオプションを使用する必要がありますか?

A) --keys-no-swap
B) --mlock
C) --root-swap
D) --no-swap


5. シェルとその子プロセスの次のリソースのうち、Bash 組み込みコマンド ulimit によって制御できるものはどれですか。
(正しい答えを3つ選んでください。)

A) ユーザープロセスの最大数
B) 書き込まれるファイルの最大サイズ
C) 新規に作成されるファイルの最大数
D) 環境変数の最大数
E) 開いているファイル記述子の最大数


Solutions:

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

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