Lpi 030-100日本語 Valid Dump : Linux Professional Institute Web Development Essentials Exam 030 (030-100日本語版)

030-100日本語 real exams

Exam Code: 030-100J

Exam Name: Linux Professional Institute Web Development Essentials Exam 030 (030-100日本語版)

Updated: Jul 26, 2026

Q & A: 85 Questions and Answers

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Lpi 030-100日本語 Exam Syllabus Topics:

SectionObjectives
Web Best Practices- Accessibility and Usability
  • 1. User experience fundamentals
    • 2. Basic accessibility principles (a11y)
      - Performance and Security Basics
      • 1. Intro to web security awareness
        • 2. Basic performance optimization concepts
          CSS Fundamentals- Styling Basics
          • 1. Box model concept
            • 2. Selectors and specificity
              - Layout and Responsive Design
              • 1. Responsive design principles
                • 2. Flexbox and grid basics
                  HTML Essentials- Forms and Inputs
                  • 1. Client-side validation basics
                    • 2. Form elements and input types
                      - HTML Structure
                      • 1. Document structure and semantics
                        • 2. Common HTML tags and attributes
                          Web Development Fundamentals- Web Technologies Overview
                          • 1. Static vs dynamic websites
                            • 2. Frontend vs backend roles
                              - Internet and Web Concepts
                              • 1. HTTP/HTTPS fundamentals
                                • 2. How the web works (client-server model)
                                  • 3. URLs, domains, and DNS basics
                                    JavaScript Basics- Core Concepts
                                    • 1. Functions and control flow
                                      • 2. Variables, data types, and operators
                                        - DOM Interaction
                                        • 1. DOM selection and manipulation
                                          • 2. Event handling basics

                                            Lpi Linux Professional Institute Web Development Essentials Exam 030 (030-100日本語版) Sample Questions:

                                            1. NodeJS で SQL インジェクションを防ぐためのベストプラクティスは次のどれですか?

                                            A) コード内にデータベースの資格情報を保存する
                                            B) 準備されたステートメントまたはパラメータ化されたクエリの使用
                                            C) ユーザー入力をSQLクエリに直接連結する
                                            D) 正規表現を使用して入力をサニタイズする


                                            2. 配置された要素の積み重ね順序を指定するために使用される CSS プロパティはどれですか?

                                            A) 位置
                                            B) アイテムの位置揃え
                                            C) 表示
                                            D) Zインデックス


                                            3. クロスサイトリクエストフォージェリ(CSRF)について正しいのは次のうちどれですか?(2つ選択してください)

                                            A) エンドユーザーに Web アプリケーション上で望ましくないアクションを実行させる攻撃です。
                                            B) 同一オリジンポリシーを使用することで軽減できます。
                                            C) これはサーバー側のみの脆弱性です。
                                            D) ユーザーのブラウザで悪意のあるスクリプトが実行されます。


                                            4. よく使われる HTTP サーバーはどれですか? (2 つ選択してください)

                                            A) マイクロソフトエクセル
                                            B) Nginx
                                            C) Adob​​e Photoshop
                                            D) Apache HTTP サーバー


                                            5. Express.js では、EJS テンプレートはどのようにレンダリングされますか?

                                            A) res.ejs(テンプレート名, データ)
                                            B) res.render(テンプレート名, データ)
                                            C) res.template(テンプレート名, データ)
                                            D) res.send(テンプレート名、データ)


                                            Solutions:

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

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