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Lpi 030-100 Exam Syllabus Topics:

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

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

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

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

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

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

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

4. Which of the following file formats supports transparency?

A) JPEG
B) SVG
C) Both PNG and SVG
D) PNG

5. 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

Solutions: