Lpi 030-100 Practice Exams
Last updated on Oct 22,2026- Exam Code: 030-100
- Exam Name: Web Development Essentials - Exam 030, version 1.0
- Certification Provider: Lpi
- Latest update: Oct 22,2026
Question #1
Which programming paradigms are characterized by the use of functions, procedures, and objects? (Choose three)
- A . Functional programming
- B . Procedural programming
- C . Object-oriented programming
- D . Assembly language programming
Correct Answer: ABC
Question #2
Which of the following file formats supports transparency?
- A . JPEG
- B . PNG
- C . SVG
- D . Both PNG and SVG
Correct Answer: D
Question #3
What does ‘CSS Grid Layout’ provide?
- A . A framework for positioning elements in a grid-based layout system
- B . A method for changing the color of the elements
- C . A plugin for adding multimedia content
- D . A built-in spellchecker for text content
Correct Answer: A
Question #4
In the context of web content, how do static and dynamic content differ?
- A . Static content is served from a database, while dynamic content is served from a file system.
- B . Static content is the same for all users, while dynamic content can change based on user interaction.
- C . Static content is used for web applications, while dynamic content is used for websites.
- D . Static content is cached by the browser, while dynamic content is not.
Correct Answer: B
Question #5
What is the purpose of using em or rem units in CSS?
- A . To create fixed-size layouts
- B . To define colors
- C . To provide relative sizing based on current or root element’s font size
- D . To specify the opacity of an element
Correct Answer: C
Question #6
What is the correct HTML element for inserting a line break?
- A . <lb>
- B . <break>
- C . <br>
- D . <linebreak>
Correct Answer: C
Question #7
How do you execute an SQL query in a NodeJS application?
- A . Using the execute() method of the database connection object
- B . With the runQuery() function
- C . By invoking the sql.execute() function
- D . Using the query() method of the database connection object
Correct Answer: D
Question #8
What is the primary use of an <iframe> in HTML?
- A . To create a nested browsing context within an HTML page
- B . To link to external JavaScript files
- C . To display a section of another webpage within the current page
- D . Both To create a nested browsing context within an HTML page and To display a section of another webpage within the current page
Correct Answer: D
Question #9
Which CSS property is used to control the visibility of an element?
- A . display
- B . visibility
- C . opacity
- D . view
Correct Answer: AB
Question #10
What is the primary role of HTML in web development?
- A . To create the structure and content of a web page
- B . To style and layout web pages
- C . To add dynamic functionalities to web pages
- D . To manage the database of a website
Correct Answer: A