Which keyword declares a block-scoped variable in modern JavaScript?
Correct Answer: A. let
MCQ Collection
Web Technologies MCQs
Web Technologies MCQs covering HTML, CSS, JavaScript, internet basics, web servers, browsers, protocols, and web development concepts.
A strong password should be:
Correct Answer: A. Difficult to guess
A secure web application should sanitize:
Correct Answer: A. User inputs
Which HTTP method is commonly used to delete a resource?
Correct Answer: A. DELETE
Examples of web browsers include:
Correct Answer: A. Chrome, Firefox, Edge, and Safari
Which keyword declares a constant value in JavaScript?
Correct Answer: A. const
SQL injection attacks target:
Correct Answer: A. Database queries
Session hijacking means an attacker tries to steal:
Correct Answer: A. A user's session
JSON is often used in REST APIs because it is:
Correct Answer: A. Lightweight and easy to parse
JavaScript is mainly used to add:
Correct Answer: A. Interactivity to web pages
Which data format is easier for JavaScript to parse directly?
Correct Answer: A. JSON
Cross-site scripting is also known as:
Correct Answer: A. XSS