Vue.js Fundamentals and Core Concepts Quiz Quiz

1. Vue Instance Foundation

   Which part of a Vue.js application serves as the root from which all Vue features, like data and methods, are registered?

   1. Vue Instance
   2. Vue Object
   3. Vue Component
   4. Vue Service
   5. Vue Mapper

2. Reactive Data

   In Vue.js, how does the framework keep the user interface in sync with the underlying data when you update a property?

   1. Through reactivity
   2. Through static rendering
   3. Via computed classes
   4. By explicit refresh
   5. Via signal mapping

3. Template Syntax

   Which special syntax is used in Vue.js templates to render dynamic data, such as displaying a variable called 'message'?

   1. {{ message }}
   2. [[ message ]]
   3. u003C% message %u003E
   4. $(message)
   5. { message }

4. Directives Usage

   If you want to make an element visible only when a certain condition is true, which Vue.js directive should you use?

   1. v-if
   2. v-show
   3. v-switch
   4. v-condition
   5. v-true

5. Binding Attributes

   To bind a button’s 'disabled' attribute to a Boolean variable in Vue.js, which shorthand do you use?

   1. :disabled
   2. $disabled
   3. @disabled
   4. u0026disabled
   5. *disabled

6. Handling User Input

   When listening for a click event on a button in Vue.js, what directive or shorthand is appropriate?

   1. @click
   2. ~click
   3. #click
   4. //click
   5. u0026click

7. Computed Properties

   Which feature in Vue.js is best suited for returning a property value that depends on other data, such as calculating a full name from first and last names?

   1. Computed property
   2. Data method
   3. Event property
   4. Reactive filter
   5. Direct variable

8. Component System

   What is the main benefit of using components in a Vue.js application?

   1. They promote code reuse
   2. They limit website size
   3. They slow down performance
   4. They prevent all errors
   5. They hide all event listeners

9. List Rendering

   To display a list of items, such as an array of tasks, which directive does Vue.js provide?

   1. v-for
   2. v-list
   3. v-each
   4. v-loop
   5. v-repeat

10. Two-Way Binding

    When building a form input that updates a data property in real time as the user types, which Vue.js directive is most appropriate?

    1. v-model
    2. v-bind
    3. v-input
    4. v-update
    5. v-sync