Backend Busters
What HTML tag is used to define an unordered list?
<ul>
What HTTP status code means “OK”?
200
What does QA stand for?
Quality Assurance
React uses a virtual ___ to improve performance.
DOM
Name a popular Node.js web framework
Express.js
What tool might you use for automated browser testing?
Selenium or Cypress
What does the z-index property control?
The stacking order of elements
What’s a common method for securing APIs?
Using JWT (JSON Web Tokens)
What’s a flaky test?
A test that randomly passes or fails
In CSS, what property is used to change the text color?
color
What’s the difference between PUT and POST in REST?
PUT updates, POST creates
What is the difference between regression testing and smoke testing?
egression checks for new bugs, smoke checks basic functionality