Web development basics practice set 1

Question 1

Which HTTP status code means "Not Found"?

Accepted Answer

404

Question 2

Which HTTP method is meant to be idempotent and to replace a resource?

Accepted Answer

PUT

Question 3

Which HTML tag is used for the most important heading?

Accepted Answer

<h1>

Question 4

In CSS, which has the highest specificity?

Accepted Answer

#id selector

Question 5

What does CORS control?

Accepted Answer

Which other origins may read responses from a server in the browser

Question 6

Which CSS property makes a flex container lay items in a column?

Accepted Answer

flex-direction: column

Question 7

What does REST stand for?

Accepted Answer

Representational State Transfer

Question 8

Which storage is cleared when the browser tab is closed?

Accepted Answer

sessionStorage

Question 9

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

Accepted Answer

Text for screen readers and when the image fails to load

Question 10

Which HTTP status code means the request needs authentication?

Accepted Answer

401

Question 11

What does a JWT's signature protect against?

Accepted Answer

Tampering with the token's contents

Question 12

Which of these is NOT a JavaScript framework or library for building UIs?

Accepted Answer

Django

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