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

1. How do you execute an SQL query in a NodeJS application?

A) Using the execute() method of the database connection object
B) Using the query() method of the database connection object
C) With the runQuery() function
D) By invoking the sql.execute() function

2. Which of the following are common web development technologies and standards? (Choose two)

A) Bluetooth communication
B) PCIe interface
C) HTML/CSS
D) JavaScript

3. When adding an image to an HTML document, which attribute is essential for accessibility?

A) alt
B) title
C) href
D) src

4. What is the primary purpose of HTTP cookies?

A) To provide a user interface
B) To store data on the client's machine for state management
C) To encrypt data transmissions
D) To increase network bandwidth efficiency

5. In NodeJS, how do you typically retrieve data from a MySQL database?

A) Using the fetch API
B) Through direct file reading methods
C) By executing a SELECT query with the mysql module
D) Using the http.get method

Solutions: