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

1. What is the primary use of an <iframe> in HTML?

A) To create a nested browsing context within an HTML page
B) To link to external JavaScript files
C) Both To create a nested browsing context within an HTML page and To display a section of another webpage within the current page
D) To display a section of another webpage within the current page

2. What is session hijacking in the context of web sessions?

A) A method to increase session security
B) The use of cookies to store session data
C) A type of cyberattack where the attacker takes over a user's session
D) The process of legally transferring a session from one user to another

3. 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

4. In CSS, what are media queries primarily used for?

A) To query and retrieve media files from the server
B) To automatically play media files on a webpage
C) To create different styles for different media types and screen sizes
D) To add media content like video and audio

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

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

Solutions: