Vue Js Online Test

1. How do you install Vuex in a Vue.js project?

It's included by default in Vue.js Using the vue add vuex command Manually download and configure Install it as a global package

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

Improved SEO Faster client-side rendering Simplified component management Enhanced animation capabilities

3. Which deployment method is typically used for hosting Vue.js applications on a shared web hosting service?

Docker containers Serverless architecture FTP (File Transfer Protocol) Content delivery networks (CDNs)

4. How can you define translation messages in Vue.js with the vue-i18n library?

By using JSON or YAML files By creating custom components By modifying the Vue instance By adding transitions and animations

5. What is the purpose of the $t function in Vue.js Internationalization (i18n)?

To load external translations To specify the target language To define custom directives To retrieve translated messages

6. How do you pass parameters to an event handler method in Vue?

Using the v-params directive Using this keyword Using the v-bind directive Using a separate params object

7. Which directive is used to bind an attribute's value to an expression in Vue?

v-on v-bind v-show v-model

8. Which Vue CLI command is used to add Vue Router to an existing project?

vue add router vue create router vue install router vue router add

9. In Vue Router, what is a route guard used for?

To navigate to a different route To protect routes from unauthorized access To define route parameters To create nested routes

10. In Vue Router, what is the purpose of the beforeEach navigation guard?

To specify the route layout To define route parameters To perform actions before each route change To protect routes from unauthorized access

11. Which directive is commonly used for rendering translated text in Vue templates?

v-model v-bind v-if v-t

12. What is the purpose of the v-model directive in a Vue form input element?

To bind a computed property To bind a data property To create a new component To submit the form

13. In a Vue component, what is the lifecycle hook that is called when the component is mounted to the DOM?

beforeCreate created beforeMount mounted

14. What is the primary role of getters in Vuex?

To modify state asynchronously To define route parameters To access and compute state To handle navigation

15. Which built-in Vue feature can be used for simple state management within a single component?

Vuex Vue Store Vue State Local component state

16. In Vue, what is the role of the v-on directive when working with transitions and animations?

To define custom behavior when an element is clicked To handle HTTP requests To apply transitions to elements To manage routing

17. How can you bind a CSS class to an element conditionally in Vue templates?

Using the v-style directive Using the v-bind:class directive Using the v-show directive Using the v-html directive

18. What does the v-for directive do in a Vue template?

Iterates over a list and renders elements Imports external libraries Defines a method Creates a computed property

19. Which lifecycle hook is triggered before the Vue instance is destroyed?

beforeDestroy destroyed beforeUnmount unmounted

20. In Vue Resource, what is the role of the params option in an HTTP request?

To define route parameters To include query parameters To specify request headers To define request data