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Lpi 030-100 Exam Syllabus Topics:

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) Disabling cookies
C) Using prepared SQL statements
D) Sanitizing user input

2. In Express.js, how do you send a static file as a response to a client request?

A) res.redirect(filepath)
B) res.sendFile(filepath)
C) res.render(filepath)
D) res.static(filepath)

3. What is the primary role of the WHERE clause in an SQL query?

A) To define the conditions that must be met for rows to be included in the result set
B) To limit the number of returned records
C) To join multiple tables
D) To specify which table to select or delete data from

4. How are HTTP URLs typically mapped to file system paths on a web server?

A) By using the Domain Name System (DNS)
B) Through the server's firewall settings
C) By encrypting the URL into a file path
D) According to the server's directory structure and configuration files

5. For embedding audio files in HTML, which of the following elements is appropriate?

A) <img>
B) <iframe>
C) <audio>
D) <video>

Solutions: