Angular Interview Q & A

About QuestPond: It started 15 years back with the one single goal of creating quality step-by-step IT programming-related lessons.

The main goal of QuestPond is to create Step by Step lessons on C#, ASP.NET, Design patterns, SQL, and so on. As years moved on I added other step-by-step lessons like Angular, SharePoint, MSBI, Azure and so on.

Angular interview questions with answers

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 having online access validity of 8 months along with download facility.

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

Introduction25 basics interview Q & A on Angular - Part 1

• 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 ?

Angular Interview Questions - Part 2

• Questions No:- 26 :- Explain ViewChild and ViewChildren?
• Questions No:- 27 :- Why do we need Template reference variables?
• Questions No:- 28 :- What is ContentProjection?
• Questions No:- 29 :- Explain Content projection Slot?
• Questions No:- 30 :- What is ContentChild and ContentChildren?
• Questions No:- 31 :- ViewChild vs ViewChildren vs ContentChild vs ContentrChildren?

Angular interview questions - Part 3

• Questions No:- 32 :- Explain the importance of Component life cycle ?
• Questions No:- 33 :- Explain events and sequence of component life cycle ?
• Questions No:- 34 :- Constructor vs ngOnInit() ?

Angular interview questions - Part 4

• Questions No:- 35 :- How to make HTTP calls using Angular ?
• Questions No:- 36 :- What is the need of Subscribe function ?
• Questions No:- 37 :- How to handle errors when HTTP fails ?
• Questions No:- 38 :- How to pass data between components ?
• Questions No:- 39 :- Explain importance of input, output & event emitters ?
• Questions No:- 40 :- How to pass during routing ?
• Questions No:- 41 :- Is it a good practice to pass data using services ?

Angular Interview Questions and Answers - Part 5

• 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?

Angular interview questions part 6

• 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?

Angular Interview Questions - Part 7

• 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 and Answers PDF

Do Visit to enroll this course :- https://www.questpond.com/most-important-angular-interview-questions-and-answers/cid45