What is Vue.js mainly used for?

• Building back-end applications

• Creating interactive user interfaces

• Designing databases

• Styling web pages

In Vue, what symbol is used to start a directive?

• #

• $

• @

• v-

Which directive is used to bind HTML attributes in Vue?

• v-bind

• v-if

• v-for

• v-show

Which Vue directive is used to conditionally display an element?

• v-bind

• v-if

• v-for

• v-model

What does Vue use to manage its dynamic data?

• Components

• Direct DOM manipulation

• Reactivity system

• Templates

Which directive is used to loop over an array of items in Vue?

• v-for

• v-if

• v-show

• v-bind

What does the `v-model` directive help with?

• Event handling

• Conditional rendering

• Two-way data binding

• List rendering

In Vue, where do you define the data for a component?

• In the template

• Inside the `data()` function

• In the HTML tag

• Inside a CSS file

What does the Vue instance property `methods` store?

• Data for the app

• Functions to be used in the template

• CSS styles

• External libraries

How do you bind a class dynamically in Vue?

• v-class

• v-for

• :class

• v-model