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React Native Online Test
Clock
Test duration:
50
min
Notes
No. of questions:
17
Tie
Level of experience:
Mid

React Native Online Test

Our React Native online test empowers recruiters and hiring managers to hire job-fit candidates quickly and make unbiased hiring decisions. The online React Native test is the definitive pre-employment test for hiring React Native developer. This assessment can improve the interview-to-selection ratio by 62% by filtering out irrelevant candidates.

10235
+
Candidates
Assessed
123
+
Organizations Served
Fujitsu
Paypal
Capgemini
Deloitte
Coupa
UN Logo
Vanguard
EY Logo
About

React Native Online Test

React Native is an open-source framework that enables the development of apps for iOS and Android, with React delivering the same performance as purely native apps. Online React Native test helps recruiters and hiring managers to evaluate the React Native app development skills of the applicant before an interview. React Native online test is created and validated by experienced Subject Matter Experts (SMEs) to assess and hire React Native developers per industry standards.

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How it works

Test Summary

The React Native advanced test helps to screen the candidates who possess traits as follows:  

  • Knowledge of both iOS and Android development  
  • Understanding of Xamarin and Unity  
  • Experience working in an agile software development environment 
  • Knowledge of JavaScript testing frameworks 

Our React Native skills test reports will give a detailed analysis of each candidate's performance and provide analytical data that helps you hire better and faster.  

The online React Native test may contain MCQs (Multiple Choice Questions), MAQs (Multiple Answer Questions), Fill in the Blanks, Descriptive, Whiteboard Questions, Audio / Video Questions, AI-LogicBox, Coding Simulations, True or False Questions, etc. 

Test Duration
50
No. of Questions
17
Level of Expertise
Mid
Useful for hiring
  • React Native Developer
  • React Native Mobile Developer
Topics Covered
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Sample Question
Choose from our 100,000+ questions library or add your own questions to make powerful custom tests.

Question types :

Multiple Option

Topic:

Difficulty:

Hard


Q 1. You have been asked to train « Naive Bayes model for spam detection dataset

Using Python command, what wil you add in the given code at XXXX to deciore, it and train your modal for the given dataset?

import numpy os np

X= nporroyll 3. 2b[1 21 [2.21.[3,21)
Y= nporray(fi.a,a.1))

XXXX

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

Question types :

Multiple Option

Topic:

Machine teaming

Difficulty:

Hard


Q 1. Q2 Lets assume that you have 6 Pandas DataFrome(af) in the below tole.

Index Code Open High
0 AAPL 19877 70074
1 AAPL 19877 70074
2 AAPL 19877 70074
3 AAPL 19877 70074
4 AAPL 19877 70074

When the following commend is executed, what hoppens to the DatoFrome?

df= defiinat()
Y= nporray(fi.a,a.1))

Index Code Open High
0 AAPL 19877 70074
1 AAPL 19877 70074
2 AAPL 19877 70074
3 AAPL 19877 70074
4 AAPL 19877 70074
Index Code Open High
0 AAPL 19877 70074
1 AAPL 19877 70074
2 AAPL 19877 70074
3 AAPL 19877 70074
4 AAPL 19877 70074
it gives an error becouse of the third row which has on empty string.
None of these

Question types :

Multiple Option

Topic:

AsyncStorage

Difficulty:

Hard

Question:

Consider a scenario in which you want to save users when they login such that, the next time they open the application, they don't have to log in again. Which of the following code is ideal in this situation?


Options

  • _storeUser = async () =&gt; {<br />&nbsp;&nbsp;&nbsp;&nbsp;try {<br />&nbsp;&nbsp;&nbsp;&nbsp;await AsyncStorage.setItem(&#39;user&#39;, userDetail);<br />&nbsp;&nbsp;&nbsp;&nbsp;} catch (error) {<br />&nbsp;&nbsp;&nbsp;&nbsp;// Error saving data<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br />};<br />&nbsp;
  • _storeUser = async () =&gt; {<br />&nbsp;&nbsp;&nbsp;&nbsp;try {<br />&nbsp;&nbsp;&nbsp;&nbsp;await AsyncStorage.saveItem(&#39;user&#39;, userDetail);<br />&nbsp;&nbsp;&nbsp;&nbsp;} catch (error) {<br />&nbsp;&nbsp;&nbsp;&nbsp;// Error saving data<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br />};<br />&nbsp;
  • _storeUser = async () =&gt; {<br />&nbsp;&nbsp;&nbsp;&nbsp;try {<br />&nbsp;&nbsp;&nbsp;&nbsp;await AsyncStorage.set(&#39;user&#39;, userDetail);<br />&nbsp;&nbsp;&nbsp;&nbsp;} catch (error) {<br />&nbsp;&nbsp;&nbsp;&nbsp;// Error saving data<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br />};<br />&nbsp;
  • _storeUser = async () =&gt; {<br />&nbsp;&nbsp;&nbsp;&nbsp;try {<br />&nbsp;&nbsp;&nbsp;&nbsp;await AsyncStorage.save(&#39;user&#39;, userDetail);<br />&nbsp;&nbsp;&nbsp;&nbsp;} catch (error) {<br />&nbsp;&nbsp;&nbsp;&nbsp;// Error saving data<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br />};<br />&nbsp;
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