L&T Technology Services Embedded Software Developer Interview Questions and Answers

Q1. What is angular
Ans. 
Angular is a popular open-source front-end web application framework developed by Google.
• Angular is used for building dynamic web applications.

• It allows for the creation of single-page applications.

• Angular uses TypeScript for building applications.

• It provides features like data binding, dependency injection, and routing.

• Angular has a large community and ecosystem of libraries and tools.

• Examples: AngularJS, Angular 2, A
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Q2. What is routing
Ans. 
Routing is the process of selecting a path for network traffic to travel from source to destination.
• Routing involves determining the best path for data packets to travel through a network

• Routers use routing tables to make decisions on where to send data packets

• Routing protocols like OSPF and BGP help routers communicate and update routing information
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Q3. How many types of forms
Ans. 
There are various types of forms, such as physical forms, digital forms, legal forms, etc.
• Physical forms: Paper-based forms that are filled out by hand.

• Digital forms: Electronic forms that are filled out online or through software.

• Legal forms: Forms used for legal purposes, such as contracts or agreements.
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Q4. Lazy loading in angular
Ans. 
Lazy loading in Angular is a technique used to load modules only when they are needed, improving performance by reducing initial load time.
• Lazy loading helps in reducing the initial bundle size of the application by loading modules asynchronously.

• It improves the performance of the application by only loading the modules that are required at a particular time.

• Lazy loading is achieved by using the loadChildren property i...read more
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Q5. Rx jx operator in angular
Ans. 
The rxjs operator in Angular is used for reactive programming and handling asynchronous data streams.
• RxJS operators are functions that build on the observables foundation to enable sophisticated manipulation of asynchronous data streams.

• Operators can be used to filter, transform, combine, and more on observables.

• Example: map(), filter(), mergeMap(), switchMap()
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Q6. Testing frameworks how to works
Ans. 
Testing frameworks are tools that help automate the process of testing software applications.
• Testing frameworks provide a structure for writing and executing test cases.

• They offer features like test data management, test case organization, and reporting.

• Examples include JUnit for Java, NUnit for .NET, and pytest for Python.
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Q7. How to load a angular application
Ans. 
To load an Angular application, you can use the Angular CLI command 'ng serve' to start a development server.
• Use the Angular CLI command 'ng serve' to start a development server

• Navigate to the project directory in the terminal and run 'ng serve'

• Open a web browser and go to 'http://localhost:4200/' to view the application
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Q1. Some deep question on stream API of Java8
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Q2. Two program questions -> Anagram String and find first non repeating character from a string
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Q1. Questions on Product development phases
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Q2. Questions on Agile methodologies
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Q1. Discuss 4 case study related to supply chain management.
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Q1. What are the different app states in an iOS application?
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Q1. Technical skills set
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Q2. Tech skills
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Q1. Tech skills check from your domain
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Q1. Teck skills check
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Q2. Scenario based teck questions
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The test was easy basic aptitude questions.

Q1. What is linkedlist
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Q2. Explain your project
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