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

1. In SQL, what is the function of the LIMIT clause?

A) To group rows that have the same values in specified columns
B) To specify the join conditions between tables
C) To restrict the number of rows returned by a query
D) To sort the result set in ascending or descending order

2. What is the purpose of web sockets in the context of HTTP?

A) To increase the loading time of web pages
B) To enable real-time bidirectional communication between client and server
C) To render graphical content in the browser
D) To store large files on the server

3. Which units are commonly used in CSS for responsive design? (Choose two)

A) Kilograms (kg)
B) Relative units (em, rem, vw, vh)
C) Pixels (px)
D) Centimeters (cm)

4. Which property is used in CSS to change the font of an element?

A) text-style
B) font-family
C) font-weight
D) font-style

5. What is the purpose of meta tags in an HTML document?

A) To add interactive elements to the page
B) To define the main content of the page
C) To link external JavaScript files
D) To provide metadata about the HTML document

Solutions: