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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 real exams

Exam Code: 030-100J

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

Updated: Aug 10, 2026

Q & A: 85 Questions and Answers

030-100日本語 Free Demo download

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030-100日本語 exam dumps

Lpi 030-100日本語 Exam Syllabus Topics:

SectionObjectives
Topic 1: CSS Fundamentals- Styling Basics
  • 1. Selectors and specificity
    • 2. Box model concept
      - Layout and Responsive Design
      • 1. Flexbox and grid basics
        • 2. Responsive design principles
          Topic 2: Web Development Fundamentals- Internet and Web Concepts
          • 1. URLs, domains, and DNS basics
            • 2. How the web works (client-server model)
              • 3. HTTP/HTTPS fundamentals
                - Web Technologies Overview
                • 1. Static vs dynamic websites
                  • 2. Frontend vs backend roles
                    Topic 3: HTML Essentials- Forms and Inputs
                    • 1. Form elements and input types
                      • 2. Client-side validation basics
                        - HTML Structure
                        • 1. Document structure and semantics
                          • 2. Common HTML tags and attributes
                            Topic 4: Web Best Practices- Performance and Security Basics
                            • 1. Intro to web security awareness
                              • 2. Basic performance optimization concepts
                                - Accessibility and Usability
                                • 1. Basic accessibility principles (a11y)
                                  • 2. User experience fundamentals
                                    Topic 5: JavaScript Basics- DOM Interaction
                                    • 1. Event handling basics
                                      • 2. DOM selection and manipulation
                                        - Core Concepts
                                        • 1. Variables, data types, and operators
                                          • 2. Functions and control flow

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

                                            1. HTML における <iframe> の主な用途は何ですか?

                                            A) HTMLページ内にネストされたブラウジングコンテキストを作成する
                                            B) 現在のページ内に別のウェブページの一部を表示する
                                            C) HTMLページ内にネストされたブラウジングコンテキストを作成するためと、現在のページ内に別のWebページのセクションを表示するための両方
                                            D) 外部のJavaScriptファイルにリンクする


                                            2. CSS では、メディアクエリは主に何に使用されますか?

                                            A) ビデオやオーディオなどのメディアコンテンツを追加する
                                            B) サーバーからメディアファイルを照会して取得する
                                            C) ウェブページ上のメディアファイルを自動的に再生する
                                            D) 異なるメディアタイプや画面サイズに合わせて異なるスタイルを作成する


                                            3. 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) 正規表現を使用して入力をサニタイズする
                                            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) コード内にデータベースの資格情報を保存する


                                            4. HTTP GET メソッドと POST メソッドの主な違いは何ですか?

                                            A) GET はファイルのアップロードに使用され、POST はファイルのダウンロードに使用されます。
                                            B) GET はヘッダーでデータを送信しますが、POST はリクエスト本体でデータを送信します。
                                            C) GET リクエストはブックマークできますが、POST リクエストはブックマークできません。
                                            D) GET は安全ですが、POST は安全ではありません。


                                            5. 基本的な HTML ドキュメント構造に必要なものは次のどれですか (2 つ選択してください)。

                                            A) <html> tag
                                            B) <body> tag
                                            C) <style> tag
                                            D) <script> tag


                                            Solutions:

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

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