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

1. Which method is used in Express.js to define a route for HTTP GET requests?

A) app.http(path, callback)
B) app.post(path, callback)
C) app.get(path, callback)
D) app.route(path, callback)

2. What is the purpose of the position property in CSS?

A) To determine the method of positioning for an element
B) To define the border style of an element
C) To specify how text is aligned within an element
D) To create animated effects

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

A) Microsoft SQL Server
B) PostgreSQL
C) Oracle Database
D) MySQL

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

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

5. What is the primary use of the Node Package Manager (NPM)?

A) To compile Node.js applications
B) To manage packages and dependencies in a Node.js project
C) To update the Node.js engine
D) To create new Node.js modules from scratch

Solutions: