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Knockout Online Skills Assessment Test
Clock
Test duration:
20
min
Notes
No. of questions:
10
Tie
Level of experience:
Entry/Mid/Expert

Knockout JS Test

iMocha’s online Knockout JS test is the ideal pre-hire test for recruiters and hiring managers to assess candidates objectively. This test is useful for hiring Knockout JS Developer, UI Developer - Knockout JS, and JavaScript Developer – Knockout JS. Our customers have reported reduce in hiring cost by 40% after using this Knockout JS online test to qualify candidates.

11274
+
Candidates
Assessed
112
+
Organizations Served
Fujitsu
Paypal
Capgemini
Deloitte
Coupa
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Vanguard
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About

Knockout Online Skills Assessment Test

Knockout test helps hiring managers and recruiting teams to validate the Knockout JS coding skills of Knockout JS Developer. Knockout.JS is a language which is written under JavaScript and helps to develop a rich and responsive website. Knockout JS is independent of any other framework and provides an easy way to handle complex data-driven interfaces. It gives easy templates to create high-level UI structures and also gives easy custom.

Knockout JS online test is specially designed to check application, practical skills of a Knockout JS developer – as per industry standards. Knockout JS skills test is designed by our subject matter experts to evaluate knowledge of Knockout JS developer before hiring. Using powerful reporting, you can have a detailed analysis of the test results to help you make a better hiring decision and predict the candidate’s performance.

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How it works

Test Summary

This Knockout JS interview test enables employers and recruiters to identify and hire the right fit Knockout.JS Developer by evaluating working skills and job readiness. For this reason, the emphasis is laid upon evaluating the knowledge of applied skills gained through real work experience, rather than theoretical knowledge.

Knockout JS assessment test may contain MCQs (Multiple Choice Questions), MAQs (Multiple Answer Questions), Fill in the Blanks, Whiteboard Questions, Audio/Video Questions, LogicBox (AI-based Pseudo-Coding Platform), Coding Simulators, True or False Questions, etc.

Test Duration
20
No. of Questions
10
Level of Expertise
Entry/Mid/Expert
Useful for hiring
  • KnockoutJS Developer (0-3 years experience)
  • UI Developer - Knockout JS
  • JavaScript Developer - Knockout JS
Topics Covered
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Data Binding Syntax

iMocha’s online Knockout JS test helps employers to assess candidate’s ability to use data binding syntax which allows to link data to the UI

ViewModels with Parameters

This Knockout JS test assesses candidate’s knowledge about ViewModel that contains the data to bind to the view with specified parameters
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Showing and Hiding Elements

This test assesses candidate’s understanding about visible binding that shows or hides elements when required
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Extending Observables

This test helps to assess candidate’s understanding about extending observable which supports reading/writing of values and record of changed values
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Event Data Bindings

Our test evaluates candidate’s knowledge about event binding which allows to add event handler for an event in JavaScript
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Creating a View Model

This test evaluates candidate’s ability to create view model which represents data and operations on a user interface
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 Answer

Topic:

Difficulty:

Easy

Question:

You need to provide binding true / false to radio buttons in Knockout JS. Which of the following codes will work?
 <label>Male
 <input type="radio" name="IsMale" value="true" data-bind="checked:IsMale"/>
 </label> 
 <label>Female
 <input type="radio" name="IsMale" value="false" data-bind="checked:IsMale"/>
 </label>

Note: There can be multiple correct answers to this question.


Options

  • &lt;label&gt;Male<br />&lt;input type=&quot;radio&quot; name=&quot;IsMale&quot; value=&quot;1&quot; data-bind=&quot;checked:IsMale&quot;/&gt;<br />&lt;/label&gt;<br />&lt;label&gt;Female<br />&lt;input type=&quot;radio&quot; name=&quot;IsMale&quot; value=&quot;0&quot; data-bind=&quot;checked:IsMale&quot;/&gt;<br />&lt;/label&gt;<br />&lt;div data-bind=&quot;text: !!+IsMale()&quot;/&gt;<br />var vm = {<br />IsMale: ko.observable(false)<br />};<br />ko.applyBindings(vm);
  • var ViewModel = function() {<br />this.IsMale = ko.observable(true);<br />this.IsMale.ForEditing = ko.computed({<br />read: function() {<br />return this.IsMale().toString();<br />},<br />write: function(newValue) {<br />this.IsMale(newValue === &quot;true&quot;);<br />},<br />owner: this<br />});<br />};
  • &lt;label&gt;Male<br />&lt;input type=&quot;radio&quot; name=&quot;IsMale&quot; value=&quot;true&quot; data-bind=&quot;checked:IsMale&quot;/&gt;<br />&lt;/label&gt;<br />&lt;label&gt;Female<br />&lt;input type=&quot;radio&quot; name=&quot;IsMale&quot; value=&quot;false&quot; data-bind=&quot;checked:IsMale&quot;/&gt;<br />&lt;/label&gt;
  • &lt;label&gt;Male<br />&lt;input type=&quot;radio&quot; name=&quot;IsMale&quot; value=&quot;true&quot; data-bind=&quot;checked:IsMale()&quot;/&gt;<br />&lt;/label&gt;<br />&lt;label&gt;Female<br />&lt;input type=&quot;radio&quot; name=&quot;IsMale&quot; value=&quot;false&quot; data-bind=&quot;checked:IsMale()&quot;/&gt;<br />&lt;/label&gt;
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