NgRx Store MCQs with answers Page - 1

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F

Fox Root • 490 Points
Goal Maker

Q. What is the main purpose of NgRx Store in Angular?

  • (A) To handle HTTP requests
  • (B) To manage application state in a predictable way
  • (C) To design UI components
  • (D) To compile Angular applications

F

Fox Root • 490 Points
Goal Maker

Q. Which pattern does NgRx Store follow?

  • (A) MVC
  • (B) MVVM
  • (C) Redux
  • (D) Singleton

F

Fox Root • 490 Points
Goal Maker

Q. In NgRx, what is an Action?

  • (A) A service that fetches data
  • (B) A description of an event that changes state
  • (C) An Angular component
  • (D) A database query

F

Fox Root • 490 Points
Goal Maker

Q. Which property is mandatory in every NgRx Action?

  • (A) name
  • (B) type
  • (C) payload
  • (D) data

F

Fox Root • 490 Points
Goal Maker

Q. Reducers in NgRx are responsible for:

  • (A) Calling APIs
  • (B) Handling routing
  • (C) Updating the state based on actions
  • (D) Rendering UI

F

Fox Root • 490 Points
Goal Maker

Q. Which rule must a reducer follow?

  • (A) Modify original state directly
  • (B) Return a new state object
  • (C) Call HTTP services
  • (D) Use DOM manipulation

F

Fox Root • 490 Points
Goal Maker

Q. Which RxJS concept is heavily used by NgRx Store?

  • (A) Promise
  • (B) Observable
  • (C) Callback
  • (D) Async/Await only

F

Fox Root • 490 Points
Goal Maker

Q. What is the role of Effects in NgRx?

  • (A) To modify HTML templates
  • (B) To handle side effects like API calls
  • (C) To compile TypeScript
  • (D) To define routes

F

Fox Root • 490 Points
Goal Maker

Q. Which decorator is used to create an NgRx Effect?

  • (A) @Injectable
  • (B) @Effect
  • (C) createEffect()
  • (D) @NgModule

F

Fox Root • 490 Points
Goal Maker

Q. What does Store.dispatch() do?

  • (A) Reads data from store
  • (B) Sends an action to the store
  • (C) Deletes a component
  • (D) Creates a selector

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