MTA HTML5 Application Development Fundamentals 2

Question 1

What is the purpose of CSS media queries in responsive web design?

Accepted Answer

Applying different styles based on device characteristics like screen width

Answer

Embedding media files in web pages

Answer

Loading external fonts

Answer

Controlling video playback

Question 2

Which JavaScript method is used to make asynchronous HTTP requests to a server?

Accepted Answer

fetch()

Answer

setTimeout()

Answer

addEventListener()

Answer

querySelector()

Question 3

What does the 'alt' attribute on an HTML <img> element provide?

Accepted Answer

Alternative text displayed when the image cannot load and read by screen readers

Answer

The image file format

Answer

The image dimensions

Answer

A tooltip on hover

Question 4

What is the purpose of the HTML5 elements like

,

Accepted Answer

Providing meaningful structure that improves accessibility and SEO

Answer

Adding visual styling to the page

Answer

Executing JavaScript code

Answer

Loading external content

Question 5

What is the difference between sessionStorage and localStorage in HTML5?

Accepted Answer

sessionStorage is cleared when the browser tab is closed; localStorage persists indefinitely

Answer

sessionStorage is server-side; localStorage is client-side

Answer

sessionStorage holds more data than localStorage

Answer

localStorage requires user authentication; sessionStorage does not

Question 6

Which HTML5 API allows web applications to work offline by caching resources?

Accepted Answer

Service Worker API

Answer

localStorage API

Answer

IndexedDB API

Answer

Web Storage API