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

1. What is a common way to protect against Cross-Site Scripting (XSS) in a Node.js application?

A) Implementing HTTPS
B) Using prepared SQL statements
C) Disabling cookies
D) Sanitizing user input

2. In an HTML document, where should the <title> tag typically be placed?

A) Inside the <head> tag
B) As a standalone tag outside of <html>
C) Inside the <footer> tag
D) Inside the <body> tag

3. What is the primary role of HTTPS and TLS in web communications?

A) To convert static content to dynamic content
B) To increase the speed of data transfer
C) To compress data to reduce bandwidth usage
D) To secure communications between client and server

4. What is the main purpose of WebAssembly in the context of web application development?

A) To handle email services in web applications
B) To increase the execution speed of client-side scripts
C) To create complex SQL queries
D) To manage server-side databases

5. Which of these statements about SQL is true? (Choose two)

A) SQL is case-sensitive when it comes to commands and table names.
B) SQL can query a database and retrieve information stored in it.
C) SQL is a programming language primarily used for creating websites.
D) SQL can insert, update, or delete records in a database.

Solutions: