25 + Interview Questions in Redux Async in Important Topics Page 1 InterviewSolution

1.	The resultant requisite data is available without a time lag
Answer» The resultant requisite data is available without a time lag in ___________. Choose the CORRECT option from below LIST (1)Synchronous Redux (2)Both the options (3)Asynchronous Redux Answer:-(1)Synchronous Redux

Discussion

2.	Middleware is _________.
Answer» Middleware is _________. CHOOSE the CORRECT OPTION from below list (1)Low ORDERED functions (2)High ordered functions (3)Single ordered functions Answer:-(2)High ordered functions

Discussion

3.	The custom argument in thunk can be injected using __________.
Answer» The custom ARGUMENT in THUNK can be INJECTED USING __________. Choose the CORRECT option from below list (1)All the options (2)store.dispatch (3)setTimeOut (4)withExtraArgument function Answer:-(4)withExtraArgument function

Discussion

4.	Once the Redux Thunk middleware is enabled, ___________.
Answer» Once the REDUX Thunk middleware is enabled, ___________. Choose the correct OPTION from below list (1)All the options (2)None of the options (3)We can dispatch a FUNCTION instead of action object (4)Action object can never be dispatched directly Answer:-(3)We can dispatch a function instead of action object

Discussion

5.	setTimeout method is used for ___________.
Answer» setTimeout method is USED for ___________. Choose the correct option from below LIST (1)Invalidation (2)Calling a FUNCTION after SPECIFIC milliseconds (3)Execution in case of failed API call (4)NONE of the options Answer:-(2)Calling a function after specific milliseconds

Discussion

6.	Thunk installation is performed using the command ___________.
Answer» Thunk installation is PERFORMED USING the command ___________. CHOOSE the correct option from below list (1)--install redux-thunk (2)npm install --save redux-thunk (3)Any of the options (4)Redux-thunk Answer:-(2)npm install --save redux-thunk

Discussion

7.	Middleware is responsible for making API calls.
Answer» Middleware is RESPONSIBLE for making API calls. Choose the CORRECT option from below list (1)True (2)False Answer:-(1)True

Discussion

8.	Middleware is primarily ____________.
Answer» Middleware is primarily ____________. Choose the correct option from below list (1)HIGH ordered FUNCTIONS (2)Low ordered functions (3)SINGLE ordered functions Answer:-(1)High ordered functions

Discussion

9.	For complex asynchronous actions, which of the following would work?
Answer» For complex asynchronous actions, which of the FOLLOWING would work? CHOOSE the CORRECT option from below list (1)Redux (2)All the OPTIONS (3)Redux-saga (4)Redux-Thunk Answer:-(3)Redux-saga

Discussion

10.	Asynchronous actions can define _________.
Answer» ASYNCHRONOUS actions can define _________. Choose the correct OPTION from below list (1)Both the OPTIONS (2)How an action will be DISPATCHED (3)When an action will be dispatched Answer:-(1)Both the options

Discussion

11.	Redux promise middleware is used to dispatch _________.
Answer» REDUX promise middleware is used to DISPATCH _________. Choose the correct option from below list (1)FUNCTIONS (2)Both the OPTIONS (3)Promises Answer:-(3)Promises

Discussion

12.	To dispatch promise-based asynchronous actions, which of the following can be used?
Answer» To dispatch promise-based asynchronous actions, which of the FOLLOWING can be used? CHOOSE the correct option from below LIST (1)Both the options (2)Redux-saga (3)Redux-Thunk Answer:-(1)Both the options

Discussion

13.	When an asynchronous API is called, it requires a change in the state of the application.
Answer» When an asynchronous API is called, it requires a CHANGE in the state of the application. Choose the CORRECT OPTION from below list (1)True (2)False Answer:-(1)True

Discussion

14.	For an API request, which of the following actions is dispatched first?
Answer» For an API request, which of the following actions is DISPATCHED FIRST? Choose the correct option from below list (1)An action informing the reducers that the request has been completed successfully (2)None of the options (3)An action informing the reducers that the request has begun (4)An action informing the reducers that the request has failed Answer:-(3)An action informing the reducers that the request has begun

Discussion

15.	General action creators are functions which return __________.
Answer» General action CREATORS are FUNCTIONS which return __________. Choose the correct option from below LIST (1)Both the options (2)an action (3)a function Answer:-(2)an action

Discussion

16.	Asynchronous API calls ______________.
Answer» ASYNCHRONOUS API calls ______________. Choose the correct option from below LIST (1)WAIT for server response (2)Do not wait for server response Answer:-(2)Do not wait for server response

Discussion

17.	Redux thunk is used to make _________.
Answer» Redux thunk is used to MAKE _________. Choose the correct option from below list (1)ASYNCHRONOUS API calls (2)Synchronous API calls (3)NONE of the options Answer:-(1)Asynchronous API calls

Discussion

18.	Thunk middleware is the only way to implement asynchronous actions in Redux.
Answer» Thunk middleware is the only WAY to implement asynchronous ACTIONS in Redux. Choose the correct OPTION from below LIST (1)FALSE (2)True Answer:-(1)False

Discussion

19.	While making an API call, which of the following is preferred?
Answer» While making an API call, which of the following is preferred? Choose the correct option from below list (1)Use a single ACTION type with FLAGS (2)None of the options (3)Use multiple action types Answer:-(3)Use multiple action types

Discussion

20.	const store = createStore( rootReducer, applyMiddleware(thunk)); is used for _________.
Answer» CONST STORE = createStore( rootReducer, applyMiddleware(thunk)); is used for _________. Choose the correct option from below LIST (1)INSTALLING thunk (2)Removing thunk (3)Enabling thunk (4)Disabling thunk temporarily Answer:-(3)Enabling thunk

Discussion

21.	Thunk is a ___________.
Answer» THUNK is a ___________. Choose the correct option from below list (1)Sequence of program INSTRUCTIONS packaged as a UNIT (2)Library (3)All the OPTIONS (4)Middleware Answer:-(3)All the options

Discussion

22.	Asynchronicity is all about __________.
Answer» Asynchronicity is all about __________. Choose the correct option from below list (1)OCCURRENCE of only one phenomenon (2)non occurrence of phenomena at the same TIME (3)occurrence of phenomena at the same time (4)Several phenomena occurring together Answer:-(2)non occurrence of phenomena at the same time

Discussion

23.	Only functions can be dispatched in asynchronous middleware.
Answer» Only functions can be dispatched in ASYNCHRONOUS middleware. Choose the correct option from below list (1)TRUE (2)FALSE Answer:-(2)False

Discussion

24.	Action creators which have asynchronous behavior dispatch actions _________.
Answer» ACTION CREATORS which have asynchronous behavior dispatch actions _________. CHOOSE the correct OPTION from below LIST (1)After they receive a result (2)After 3000 ms (3)Immediately (4)None of the options Answer:-(1)After they receive a result

Discussion

25.	Redux middleware is responsible for mainly handling ___________.
Answer» REDUX middleware is RESPONSIBLE for MAINLY handling ___________. Choose the correct option from below list (1)Synchronous environment (2)Asynchronous environment (3)Both the options Answer:-(2)Asynchronous environment

Discussion

Explore topic-wise InterviewSolutions in .

The resultant requisite data is available without a time lag

Middleware is _________.

The custom argument in thunk can be injected using __________.

Once the Redux Thunk middleware is enabled, ___________.

setTimeout method is used for ___________.

Thunk installation is performed using the command ___________.

Middleware is responsible for making API calls.

Middleware is primarily ____________.

For complex asynchronous actions, which of the following would work?

Asynchronous actions can define _________.

Redux promise middleware is used to dispatch _________.

To dispatch promise-based asynchronous actions, which of the following can be used?

When an asynchronous API is called, it requires a change in the state of the application.

For an API request, which of the following actions is dispatched first?

General action creators are functions which return __________.

Asynchronous API calls ______________.

Redux thunk is used to make _________.

Thunk middleware is the only way to implement asynchronous actions in Redux.

While making an API call, which of the following is preferred?

const store = createStore( rootReducer, applyMiddleware(thunk)); is used for _________.

Thunk is a ___________.

Asynchronicity is all about __________.

Only functions can be dispatched in asynchronous middleware.

Action creators which have asynchronous behavior dispatch actions _________.

Redux middleware is responsible for mainly handling ___________.