Angular Interview Questions

 Question No:- 1 :- Whats the use of Angular ?                                           

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Question No:- 1.1 Differentiate between AngularJS vs Angular ?

 Question No:- 2 :- What are directives in Angular ?                                     

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 Question No:- 3 :- Explain the different types of Angular directives ?                  

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 Question No:- 4 :- Explain the importance of NPM and Node_Modules folder ?              

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 Question No:- 5 :- Explain the importance of Package.json file in Angular ?             

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 Question No:- 6 :- What is typescript and why do we need it ?                           

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 Question No:- 7 :- Explain importance of Angular CLI ?                                  

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 Question No:- 8 :- Explain the importance of Component and Modules ?                    

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 Question No:- 9 :- What is a decorator in Angular ?                                     

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 Question No:- 10 :- What are Annotationa or MetaData ?                                  

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 Question No:- 11 :- What is a template ?                                                

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 Question No:- 12 :- Explain the four types of Data bindings in Angular ?                

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 Question No:- 13 :- Explain architecture of Angular ?                                   

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 Question No:- 14 :- What is SPA in Angular ?                                            

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 Question No:- 15 :- How to implement SPA in Angular ?                                   

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 Question No:- 16 :- How to implement routing in Angular ?                               

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 Question No:- 17 :- Explain Lazy Loading ?                                              

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 Question No:- 18 :- How to implement Lazy Loading in Angular ?                          

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 Question No:- 19 :- Define Services ?                                                   

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 Question No:- 20 :- What is Depedency Injection ?                                       

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 Question No:- 21 :- How to implement Depedency Injection ?                              

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 Question No:- 23 :- Whats the benefit of Depedency Injection ?                          

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 Question No:- 24 :- Differentiate between ng serve and ng build ?                       

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 Question No:- 25 :- Explain the --prod parameter in ng build ?                          

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 Question No:- 26 :- Explain ViewChild and ViewChildren?                                 

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 Question No:- 27 :- Why do we need Template reference variables?                        

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 Question No:- 28 :- What is ContentProjection?                                          

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 Question No:- 29 :- Explain Content projection Slot?                                    

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 Question No:- 30 :- What is ContentChild and ContentChildren?                           

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 Question No:- 31 :- ViewChild vs ViewChildren vs ContentChild vs ContentrChildren?      

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 Question No:- 32 :- Explain the importance of Component life cycle ?                    

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 Question No:- 33 :- Explain events and sequence of component life cycle ?               

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 Question No:- 34 :- Constructor vs ngOnInit() ?                                         

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 Question No:- 35 :- How to make HTTP calls using Angular ?                              

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 Question No:- 36 :- What is the need of Subscribe function ?                            

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 Question No:- 37 :- How to handle errors when HTTP fails ?                              

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 Question No:- 38 :- How to pass data between components ?                               

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 Question No:- 39 :- Explain importance of input, output & event emitters ?              

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 Question No:- 40 :- How to pass during routing ?                                        

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 Question No:- 41 :- Is it a good practice to pass data using services ?                 

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 Question No:- 42:- What is the need of Angular Pipes?                                   

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 Question No:- 43:- Can you name some built-in Angular Pipes?                            

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 Question No:- 44:- How to create Custom pipes in Angular?                               

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 Question No:- 45 :- Whats the full form of RxJs?                                        

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 Question No:- 46 :- What is the purpose of RxJs?                                        

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 Question No:- 47 :- What are observables and observers?                                 

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 Question No:- 48 :- Explain the use of Subscribe with sample code.                      

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 Question No:- 49 :- How to unsbscribe in RxJs?                                          

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 Question No:- 50 :- Explain concept of operators with sample code.                      

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 Question No:- 51 :- How to install RxJs?                                                

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 Question No:- 52 :- Differentiate between promise and RxJs?                             

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 Question No:- 53 :- In Angular where have you used RxJs?                                

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 Question No:- 54 :- Which operators have you used from RxJs?                            

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 Question No:- 55 :- What is Push/reactive vs Pull/Imperative?                           

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 Question No:- 56 :- What are Interceptors in Angular?                                   

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 Question No:- 57 :- How to implement Interceptors?                                      

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 Question No:- 58 :- Give some use of Interceptors?                                      

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 Question No:- 59 :- Can we provide multi-Interceptors?                                  

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