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Lpi 030-100 Exam Syllabus Topics:

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

Lpi Linux Professional Institute Web Development Essentials Exam 030 Sample Questions:

1. What is source code in the context of software development?

A) A compiled version of a program ready to be executed
B) A specialized language used only for web development
C) The original code written by a programmer in a high-level language
D) The output produced after a program is executed

2. What does 'CSS Grid Layout' provide?

A) A plugin for adding multimedia content
B) A built-in spellchecker for text content
C) A framework for positioning elements in a grid-based layout system
D) A method for changing the color of the elements

3. Which of the following is a best practice to prevent SQL injection in NodeJS?

A) Storing database credentials in the code
B) Concatenating user inputs directly into SQL queries
C) Employing prepared statements or parameterized queries
D) Using regular expressions to sanitize input

4. Which CSS property is used to change the text color of an element?

A) font-color
B) text-color
C) background-color
D) color

5. What is a primary key in an SQL database?

A) A password to access the database
B) A unique identifier for each row in a table
C) The highest value in a table
D) The main field used for joining tables

Solutions:

Question # 1
Answer: C

Question # 2
Answer: C

Question # 3
Answer: C

Question # 4
Answer: D

Question # 5
Answer: B