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Lpi 030-100 Exam Syllabus Topics:

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

1. In NodeJS, how do you typically retrieve data from a MySQL database?

A) By executing a SELECT query with the mysql module
B) Through direct file reading methods
C) Using the http.get method
D) Using the fetch API

2. In CSS, what are media queries primarily used for?

A) To add media content like video and audio
B) To query and retrieve media files from the server
C) To create different styles for different media types and screen sizes
D) To automatically play media files on a webpage

3. In programming, what is a library?

A) An IDE feature that helps in debugging code
B) A protocol for transferring source code over the internet
C) A collection of precompiled routines that a program can use
D) A tool for version control

4. What is the purpose of using em or rem units in CSS?

A) To define colors
B) To specify the opacity of an element
C) To create fixed-size layouts
D) To provide relative sizing based on current or root element's font size

5. In Express.js, how do you send a static file as a response to a client request?

A) res.render(filepath)
B) res.static(filepath)
C) res.redirect(filepath)
D) res.sendFile(filepath)

Solutions: