Most Important Angular Interview Questions and Answers

44 Interview Questions with Answers (Subscription Validity For 8 Months)

Author
Trainer: ShivPrasad Koirala

Course Content

  • Question No:- 1 :- Whats the use of Angular ?
  • Question No:- 2 :- What are directives in Angular ?
  • Question No:- 3 :- Explain the different types of Angular directives ?
  • Question No:- 4 :- Explain the importance of NPM and Node_Modules folder ?
  • Question No:- 5 :- Explain the importance of Package.json file in Angular ?
  • Question No:- 6 :- What is typescript and why do we need it ?
  • Question No:- 7 :- Explain importance of Angular CLI ?
  • Question No:- 8 :- Explain the importance of Component and Modules ?
  • Question No:- 9 :- What is a decorator in Angular ?
  • Question No:- 10 :- What are Annotationa or MetaData ?
  • Question No:- 11 :- What is a template ?
  • Question No:- 12 :- Explain the four types of Data bindings in Angular ?
  • Question No:- 13 :- Explain architecture of Angular ?
  • Question No:- 14 :- What is SPA in Angular ?
  • Question No:- 15 :- How to implement SPA in Angular ?
  • Question No:- 16 :- How to implement routing in Angular ?
  • Question No:- 17 :- Explain Lazy Loading ?
  • Question No:- 18 :- How to implement Lazy Loading in Angular ?
  • Question No:- 19 :- Define Services ?
  • Question No:- 20 :- What is Depedency Injection ?
  • Question No:- 21 :- How to implement Depedency Injection ?
  • Question No:- 23 :- Whats the benefit of Depedency Injection ?
  • Question No:- 24 :- Differentiate between ng serve and ng build ?
  • Question No:- 25 :- Explain the --prod parameter in ng build ?
  • Question No:- 26 :- Explain ViewChild and ViewChildren?
  • Question No:- 27 :- Why do we need Template reference variables?
  • Question No:- 28 :- What is ContentProjection?
  • Question No:- 29 :- Explain Content projection Slot?
  • Question No:- 30 :- What is ContentChild and ContentChildren?
  • Question No:- 31 :- ViewChild vs ViewChildren vs ContentChild vs ContentrChildren?
  • Question No:- 32 :- Explain the importance of Component life cycle ?
  • Question No:- 33 :- Explain events and sequence of component life cycle ?
  • Question No:- 34 :- Constructor vs ngOnInit() ?
  • Question No:- 35 :- How to make HTTP calls using Angular ?
  • Question No:- 36 :- What is the need of Subscribe function ?
  • Question No:- 37 :- How to handle errors when HTTP fails ?
  • Question No:- 38 :- How to pass data between components ?
  • Question No:- 39 :- Explain importance of input, output & event emitters ?
  • Question No:- 40 :- How to pass during routing ?
  • Question No:- 41 :- Is it a good practice to pass data using services ?
  • Question No:- 42:- What is the need of Angular Pipes?
  • Question No:- 43:- Can you name some built-in Angular Pipes?
  • Question No:- 44:- How to create Custom pipes in Angular?
  • Question No:- 45 :- Whats the full form of RxJs?
  • Question No:- 46 :- What is the purpose of RxJs?
  • Question No:- 47 :- What are observables and observers?
  • Question No:- 48 :- Explain the use of Subscribe with sample code.
  • Question No:- 49 :- How to unsbscribe in RxJs?
  • Question No:- 50 :- Explain concept of operators with sample code.
  • Question No:- 51 :- How to install RxJs?
  • Question No:- 52 :- Differentiate between promise and RxJs?
  • Question No:- 53 :- In Angular where have you used RxJs?
  • Question No:- 54 :- Which operators have you used from RxJs?
  • Question No:- 55 :- What is Push/reactive vs Pull/Imperative?
  • Question No:- 56 :- What are Interceptors in Angular?
  • Question No:- 57 :- How to implement Interceptors?
  • Question No:- 58 :- Give some use of Interceptors?
  • Question No:- 59 :- Can we provide multi-Interceptors?
  • Angular interview questions with answers PDF.

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