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

1. 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 add special effects to text
C) To compress the HTML document
D) To specify the document's language

2. In Node.js, what is the main advantage of using asynchronous operations?

A) They allow the Node.js server to handle multiple requests simultaneously.
B) They make code execution faster.
C) They enforce strong typing in JavaScript.
D) They automatically optimize memory usage.

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

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

4. What is the primary difference between HTTP GET and POST methods?

A) GET requests can be bookmarked, while POST requests cannot.
B) GET is secure, while POST is not.
C) GET sends data in the header, while POST sends data in the request body.
D) GET is used to upload files, while POST is used to download files.

5. Which of the following are valid input types in HTML? (Choose two)

A) date
B) upload
C) file
D) image

Solutions: