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

030-100日本語

Exam Code: 030-100J

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

Updated: Nov 04, 2026

Q & A: 85 Questions and Answers

030-100日本語 Free Demo download

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Lpi 030-100日本語 Exam Syllabus Topics:

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

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

                                            Question #1
                                            CSS ルールの正しい構文は何ですか?

                                            A. selector -> { property : value; }
                                            B. { selector : property = value; }
                                            C. selector { property = value; }
                                            D. selector { property : value }


                                            Question #2
                                            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. ユーザー入力をSQLクエリに直接連結する
                                            B. 正規表現を使用して入力をサニタイズする
                                            C. 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
                                            D. コード内にデータベースの資格情報を保存する


                                            Question #3
                                            シングルページアプリケーション (SPA) の主な機能は何ですか?

                                            A. APIと統合できない
                                            B. リロードせずに現在のページを動的に更新します
                                            C. モバイルアプリケーションにのみ使用されます
                                            D. ユーザーの操作ごとにページ全体を再読み込みします


                                            Question #4
                                            HTTP のコンテキストにおける Web ソケットの目的は何ですか?

                                            A. 大きなファイルをサーバーに保存する
                                            B. ウェブページの読み込み時間を長くする
                                            C. クライアントとサーバー間のリアルタイム双方向通信を可能にする
                                            D. ブラウザでグラフィックコンテンツをレンダリングする


                                            Question #5
                                            HTML にオーディオ ファイルを埋め込む場合、次のどの要素が適切ですか?

                                            A. <img>
                                            B. <audio>
                                            C. <video>
                                            D. <iframe>


                                            Solutions:

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

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