BGD Tech PVT LTD Interview Questions and Answers

**1st Round: Online Assessment**
The first elimination round consisted of an online assessment focused on HTML, CSS, and JavaScript. The questions ranged from basic to advanced, with a significant emphasis on JavaScript concepts like promises and async operations. This round included negative marking, so accuracy was key.

**2nd Round: DSA Online Test**
The second elimination round tested Data Structures and Algorithms (DSA). It involved two compulsory problems: one focused on string manipulation and the other on array manipulation, both requiring solutions with O(1) space complexity.

**3rd Round: Personality Test**
This non-elimination round assessed grammar and communication skills. It included:
- Fill-in-the-blank questions focused on subject-verb agreement.
- Sentence repetition tasks where we had to listen and repeat the given sentences.
- Audio-based tasks requiring us to repeat sentences after listening to them.

**4th Round: Home Assignment**
In this elimination round, we were tasked with cloning a webpage using only HTML, CSS, and JavaScript. The goal was to create a pixel-perfect design without the use of frameworks or libraries like Bootstrap.

Candidates who cleared this round invited to the JTG campus for further process.

**5th Round: DSA **
This elimination round began with solving DSA problems focused on string and array manipulation.

**6th Round: Live Coding Assignment**
Round 5th was followed by a live coding task where we had to build a to-do application using only HTML, CSS, and JavaScript. The application needed to leverage local storage for data persistence. The technical interview in this round was based on the live coding task.

Q1. **6th and 7th Rounds: Technical Interviews** The next two elimination rounds were back-to-back technical interviews. They covered advanced concepts in HTML, CSS, and JavaScript, along with DSA problems.
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Q1. **9th Round: HR Interview** The final round was an HR interview, where the focus was on personality traits, career aspirations, and alignment with the company’s values. **Verdict: Selected**
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Basic JavaScript output-based questions were presented in the form of multiple-choice questions (MCQs).

Q1. What is custom diractives in Angular
Ans. 
Custom directives in Angular allow you to create reusable components with custom behavior.
• Custom directives are used to extend the functionality of HTML elements in Angular.

• They can be used to create reusable components with custom behavior.

• Directives are markers on a DOM element that tell Angular to attach a specified behavior to that DOM element or even transform the DOM element and its children.

• Examples include crea...read more
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Q2. What is pipes in Angular
Ans. 
Pipes in Angular are used for transforming data in templates.
• Pipes are used to format data before displaying it in the view.

• They can be used to filter, sort, or transform data in various ways.

• Examples include currency, date, uppercase, and lowercase pipes.
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Q3. What is interceptor in Angular
Ans. 
An interceptor in Angular is a service that can be used to intercept and modify HTTP requests and responses.
• Interceptors can be used to add headers, modify requests, handle errors, etc.

• They are implemented as classes that implement the HttpInterceptor interface.

• Interceptors are added to the HttpClientModule providers array in the app module.

• Example: LoggingInterceptor implements HttpInterceptor to log all HTTP requests
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Q1. Do you know writing Unit test case?
Ans. 
Yes, I am familiar with writing unit test cases to ensure code quality and functionality.
• I have experience writing unit test cases using testing frameworks like JUnit, NUnit, or pytest.

• I understand the importance of writing testable code and creating comprehensive test suites.

• I can write test cases to cover different scenarios, including edge cases and boundary conditions.

• I know how to use mocking frameworks like Mocki...read more
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Q2. What state management library do you have used?
Ans. 
I have used Redux for state management in my previous projects.
• Redux is a predictable state container for JavaScript apps.

• It helps in managing the state of the application in a single immutable state tree.

• Actions are dispatched to update the state and components can subscribe to changes.

• Selectors can be used to efficiently extract data from the state tree.

• Middleware can be added to handle asynchronous actions.

• Example:
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Q1. What is your expected Salary?
Ans. 
My expected salary is based on my experience, skills, and the market rate for Software Development Engineers.
• Research the average salary for Software Development Engineers in the specific location and industry

• Consider your years of experience and level of expertise

• Factor in any additional benefits or perks offered by the company

• Be prepared to negotiate based on the job responsibilities and requirements
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Q2. How soon would you be able to join if you receive the offer letter today?
Ans. 
I can join within 2 weeks of receiving the offer letter.
• I can start within 2 weeks of receiving the offer letter.

• I need to give notice at my current job before starting.

• I may need to relocate, which could affect my start date.
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