Linux Professional Institute Web Development Essentials Exam 030 (030-100) Free Practice Test

Question 1

What is the primary goal of responsive web design?

A. To ensure websites look the same on all devices

B. To ensure websites work well on a variety of devices and window or screen sizes

C. To create a visually attractive design

D. To make websites load faster

Correct Answer: B

Question 2

In CSS, what does the float property do?

A. Makes an element change its color when floated over

B. Aligns elements vertically

C. Specifies how text should flow around an element

D. Defines the transparency of an element

Correct Answer: C

Question 3

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

A. Employing prepared statements or parameterized queries

B. Using regular expressions to sanitize input

C. Storing database credentials in the code

D. Concatenating user inputs directly into SQL queries

Correct Answer: A

Question 4

Which HTTP status codes indicate success and client error? (Choose two)

A. 500

B. 200

C. 302

D. 404

Correct Answer: B,D

Question 5

How is a comment written in HTML?

A. // comment

B. /* comment */

C. # comment

D.

Correct Answer: D

Question 6

Which of these are commonly used open source database management systems? (Choose two)

A. Oracle Database

B. MySQL

C. PostgreSQL

D. Microsoft SQL Server

Correct Answer: B,C

Question 7

What is the function of character encoding in HTML?

A. To define the character set used for the document, such as UTF-8

B. To compress the HTML document

C. To add special effects to text

D. To specify the document's language

Correct Answer: A

Question 8

Which CSS property is used to control the visibility of an element?

A. opacity

B. display

C. view

D. visibility

Correct Answer: B,D

Question 9

Which of the following are block-level elements in HTML? (Choose two)

A. <p>

B. <div>

C. <img>

D. <span>

Correct Answer: A,B

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Lpi Linux Professional Institute Web Development Essentials Exam 030 (030-100) Free Practice Test