1. In Vuex, what is a store?
2. What is the primary purpose of the appear attribute in a Vue transition component?
3. In Vue Resource, which HTTP method is typically used for retrieving data from a server?
4. In Vue, what is the purpose of the @ symbol when specifying event handlers in templates?
5. What is the primary purpose of state management in a Vue.js application?
6. What is a mutation in the context of Vuex?
7. What is the purpose of pluralization in Vue Internationalization (i18n)?
8. What is the role of the "vue.config.js" file in a Vue.js project?
9. Which JavaScript framework is often compared to Vue.js for building user interfaces?
10. How do you create a new Vue instance?
11. Which method is used to watch for changes in a data property of a Vue instance?
12. What is the key benefit of using Vue components in a web application?
13. How do you apply a custom filter to an expression in a Vue template?
14. In Vue, what is the role of the v-on directive when working with transitions and animations?
15. What is a snapshot test in Jest for Vue.js components?
16. How do you install Vue Router in a Vue.js project?
17. How can you pass data from the server to the client in SSR with Vue.js?
18. Which library or tool is commonly used alongside Vue.js for state management?
19. How can you emit a custom event from a child component to its parent component in Vue?
20. In Vue, when are computed properties recalculated?