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

1. Which HTML tag is used to create a hyperlink?

A) <href>
B) <link>
C) <hyperlink>
D) <a>

2. Which CSS property is used to set the space between the borders of adjacent elements?

A) spacing
B) padding
C) margin
D) border-spacing

3. 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) Using regular expressions to sanitize input
D) Employing prepared statements or parameterized queries

4. When creating links to page anchors in HTML, which attribute specifies the section of the page to link to?

A) target
B) href
C) src
D) name

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

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

Solutions: