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React Router and Navigation Quiz

Test your knowledge of React Router and navigation in ReactJS, including BrowserRouter, Routes, Route, Link, NavLink, useNavigate, useParams, nested routes, dynamic routing, query parameters, and route protection.

15
Questions
12 min
Time limit
Medium
Difficulty

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  1. 1. What is the primary purpose of React Router in a React application?

    • A. To manage database connections
    • B. To handle navigation between views based on the URL
    • C. To style React components
    • D. To manage application state exclusively
    Show answer

    B. To handle navigation between views based on the URL

    React Router maps URLs to components or route elements, allowing users to navigate between views in a React application.

  2. 2. Which component is commonly used to configure declarative routes in React Router?

    • A. Routes
    • B. RouterLink
    • C. Navigation
    • D. SwitchRoute
    Show answer

    A. Routes

    In modern React Router declarative routing, the Routes component contains Route definitions and renders the best matching route.

  3. 3. Which component is commonly used to navigate to another route without performing a full page reload?

    • A. RedirectPage
    • B. NavigateLink
    • C. Link
    • D. AnchorRoute
    Show answer

    C. Link

    The Link component from React Router enables client-side navigation between routes without a normal full-page browser navigation.

  4. 4. Which hook is used to navigate programmatically in React Router?

    • A. useRouteLink
    • B. useRedirect
    • C. useHistoryPath
    • D. useNavigate
    Show answer

    D. useNavigate

    The useNavigate hook returns a function that can navigate to another location or move through the browser history.

  5. 5. Which hook is used to access dynamic route parameters in React Router?

    • A. useLocation
    • B. useParams
    • C. useQuery
    • D. useRouteState
    Show answer

    B. useParams

    The useParams hook returns an object containing the matched dynamic route parameters, such as an ID from a path like /users/:id.

  6. 6. What is the purpose of the BrowserRouter component?

    • A. To synchronize routing with the browser's URL using the History API
    • B. To render only server-side components
    • C. To create database tables
    • D. To automatically validate form inputs
    Show answer

    A. To synchronize routing with the browser's URL using the History API

    BrowserRouter uses the browser History API to manage client-side navigation and keep the rendered UI synchronized with the URL.

  7. 7. Which component is useful for displaying a navigation link with styling based on whether its route is active?

    • A. RouteGroup
    • B. Redirect
    • C. NavLink
    • D. ActiveRoute
    Show answer

    C. NavLink

    NavLink supports active-state styling and can expose whether a link is active or pending, making it useful for navigation menus.

  8. 8. How are nested routes commonly used in React Router?

    • A. To prevent components from sharing layouts
    • B. To replace every URL with a query string
    • C. To make all routes load external websites
    • D. To organize child routes within a parent route and share layout structure
    Show answer

    D. To organize child routes within a parent route and share layout structure

    Nested routes allow child views to render within a parent layout, commonly using the Outlet component as the rendering location.

  9. 9. Which React Router component renders the matching child route inside a parent route's layout?

    • A. RouteView
    • B. Outlet
    • C. ChildRouter
    • D. NestedPage
    Show answer

    B. Outlet

    The Outlet component renders the matched child route element within the parent route's layout.

  10. 10. Which hook provides access to the current location object in React Router?

    • A. useLocation
    • B. useCurrentRoute
    • C. useBrowserPath
    • D. useNavigate
    Show answer

    A. useLocation

    The useLocation hook returns the current location object, including fields such as pathname, search, hash, and state.

  11. 11. What is the purpose of a wildcard route such as path="*" in React Router?

    • A. To match only the homepage
    • B. To disable navigation
    • C. To match paths that do not match more specific route definitions
    • D. To create a dynamic URL parameter named wildcard
    Show answer

    C. To match paths that do not match more specific route definitions

    A wildcard route is commonly used as a fallback for unmatched URLs, such as to display a not-found page.

  12. 12. Which component is commonly used to redirect users declaratively in modern React Router?

    • A. RedirectTo
    • B. RouteRedirect
    • C. HistoryPush
    • D. Navigate
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    D. Navigate

    The Navigate component changes the current location when rendered. The older Redirect component belonged to earlier React Router versions.

  13. 13. Which hook can read query parameters from the URL in React Router?

    • A. useParams
    • B. useSearchParams
    • C. useRouteData
    • D. useQueryRoute
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    B. useSearchParams

    The useSearchParams hook provides access to URL search parameters and a setter for updating them.

  14. 14. Which statement about protected routes in React Router is correct?

    • A. They can conditionally render content or redirect based on authentication or authorization state
    • B. They automatically secure a backend database
    • C. They eliminate the need for server-side access checks
    • D. They make every route publicly accessible
    Show answer

    A. They can conditionally render content or redirect based on authentication or authorization state

    Protected route patterns can control client-side access to views, but sensitive data and operations must also be protected by server-side authorization.

  15. 15. What is the main difference between Link and a standard HTML anchor element for internal React Router navigation?

    • A. Link can only navigate to external websites
    • B. An anchor element always preserves React component state
    • C. Link typically performs client-side navigation, while a standard anchor normally triggers browser navigation
    • D. There is no difference in their navigation behavior
    Show answer

    C. Link typically performs client-side navigation, while a standard anchor normally triggers browser navigation

    React Router's Link handles internal navigation within the application. A standard anchor usually initiates normal browser navigation and may reload the document.