Q1. KO performs following operations

 

1. Automatic Refresh
2. Two way Binding
3. Templating
4. All of the above

 

Q2. On which event bindings in KO fire notification

 

1. Change event
2. Update event
3. On Any event
4. None of the above

 

Q3. Value of computed observable is determined at

1. Time of creation
2. Time of update
3. Time of DOM loading
4. Depends on implementation

 

Q4. ko.toJSON is used for following purpose

 

1. convert objects that include observables to a JSON string
2. to convert string to object
3. to consume JSON service
4. to consume any service

 

Q5. How we can add reference of KO in project

 

1. using local reference
2. using CDN
3. using Nuget package
4. all of the above

 

Q6. On which value of ViewModel property visible binding will be set to block?

 

1. Null
2. Undefined
3. Zero
4. All of the above

 

Q7. ViewModel can be created as

 

1. Object literal
2. Function
3. Both
4. None of the above

 

Q8. Click binding can be bind to what kind of property in ViewModel

 

1. Function
2. Boolean
3. Array
4. All of the above

 

Q9. For what purpose we use foreach binding in KO

 

1. To duplicates section of markup for each entry in array
2. To duplicates section of markup for each entry in ViewModel
3. To duplicates section of markup for each entry in Model
4. None of the above

 

Q10. The Value binding should be used with

1. <input> , <select> , <textarea>
2. <span>, <div>
3. <radiobutton> <table>
4. All of the above combination