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Friday, December 11, 2020

Angular interview questions with answers [Free 100% off premium Udemy course coupon code]

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Angular interview questions with answers

Angular interview questions with answers

What you'll learn?

  • Tackling Advanced interview questions around routing,Lazy Loading, Services & Dependency Injection .
  • How to answer basic questions around directives, CLI,Component , Modules, Decorator,Annotations, Types of Bindings and SPA.
  • Simple lucid answers to Http calls, Routing , Pipes ,Error handling questions and different ways of passing data and in what scenarios to use them.
  • Tricky questions of RxJs like observable , observer , operators, promise vs rxjs, importance of subscribe and understanding push/pull/reactive/imperative.
  • Giving crystal clear answers on constructor vs ngonInit() and Angular component life cycle.
  • To the point answers around ViewChild,ViewChildren,ContentChild , ContentChildren & Content projection.

Requirements and What you should know?

  • Javascript and Angular basics is needed. If you have not done Angular please check out my Angular step by step course on Udemy.

Who is this course for?

  • Students who are looking to crack Angular Interviews.
  • For last minute revision before going to Angular Interviews.
  • Students who know Angular but not able to crack Angular interviews.

What is this course about?

Knowing Angular and still not able to crack interviews , then you are at the right place. :-)

This course focuses on revising most asked interview questions around Angular.  Interview is all about expressing your answers in a precise and proper way. You can have tons of knowledge , you must have done tons of coding but cracking interview is a different ball game.

This course is revision course where i have focused on what kind of questions are asked and how to answer them in a elaborate way. Please note this course does not teach Angular , if you want to learn Angular please check my Learn Angular step by step video series.

Below are the questions covered in this course, Happy learning , Happy job hunting.

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 Annotation 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 Dependency Injection ?
Question no: 21 :- How to implement Dependency Injection ?
Question no: 23 :- Whats the benefit of Dependency 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 ContentChildren ?
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 :- What are input , output and event emitters ?
Question no: 40 :- How to pass data 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 :- What is the fullform 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 unsubscriber in RxJS ?
Question no: 50 :- Explain the concept of operators with sample code?
Question no: 51 :- How to install RxJS ?
Question no: 52 :- Differntiate between promise and RxJS ?
Question no: 53 :- In Angular where have you used RxJS?
Question no: 54 :- Which operators have used from RxJS ?
Question no: 55 :- What is the Push/Reactive vs Pull/Imperative?


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Friday, December 11, 2020

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