Bajaj Finserv Interview Questions and Answers

Q1. Skills management
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Q2. Team handling motivation
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Q1. What is Angular, and what do you know about its features? Why is Angular preferred over other frameworks?
Ans. 
Angular is a powerful web application framework for building dynamic, single-page applications using TypeScript.
• Component-based architecture: Angular applications are built using reusable components, promoting modularity and maintainability.

• Two-way data binding: Changes in the UI automatically update the model and vice versa, simplifying data management.

• Dependency injection: Angular's built-in dependency injection syst...read more
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Q2. What are the differences between JavaScript (JS) and TypeScript (TS)?
Ans. 
TypeScript is a superset of JavaScript that adds static typing and other features for better development experience.
• TypeScript is statically typed, while JavaScript is dynamically typed. Example: In TS, you can define a variable as 'let num: number = 5;'.

• TypeScript supports interfaces and enums, which help in defining contracts and enumerations. Example: 'interface User { name: string; age: number; }'.

• TypeScript provid...read more
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Q3. Some small code syntax and variable based.
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Q4. Write a code to reverse the words.?
Ans. 
This code snippet reverses the order of words in a given string using JavaScript and Angular.
• Use the split() method to divide the string into an array of words. Example: 'Hello World'.split(' ') results in ['Hello', 'World'].

• Reverse the array using the reverse() method. Example: ['Hello', 'World'].reverse() results in ['World', 'Hello'].

• Join the reversed array back into a string using the join() method. Example: ['Worl...read more
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Q5. What are the different methods available for arrays, and what is the difference between the filter and map methods?
Ans. 
Arrays in JavaScript have various methods for manipulation; filter and map serve different purposes for transforming data.
• 1. Array methods include: push, pop, shift, unshift, slice, splice, forEach, map, filter, reduce, and more.

• 2. The filter method creates a new array with elements that pass a test (predicate function). Example: [1, 2, 3].filter(x => x > 1) results in [2, 3].

• 3. The map method creates a new array...read more
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Q6. What are pipes and what are the different types of pipes?
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Pipes in Angular transform data for display in templates, enhancing readability and formatting.
• Pipes are simple functions that accept an input value and return a transformed value.

• Angular provides built-in pipes like DatePipe, CurrencyPipe, and DecimalPipe.

• Custom pipes can be created using the @Pipe decorator for specific transformation needs.

• Example of DatePipe: {{ today | date:'fullDate' }} displays the full date for...read more
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Q7. What is data binding in the context of software development?
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Data binding is a technique that connects the UI to the data model, enabling automatic synchronization between them.
• Types of data binding: One-way binding (e.g., displaying data) and two-way binding (e.g., form inputs).

• Example of one-way binding: Using interpolation to display a variable in the template: {{ variableName }}.

• Example of two-way binding: Using ngModel in forms to bind input values to a component property.

• D...read more
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Q8. What are decorators in typescript?
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Decorators in TypeScript are special annotations that modify classes, methods, properties, or parameters at design time.
• Decorators are functions prefixed with '@'.

• They can be used to add metadata to classes and methods.

• Common types include Class Decorators, Method Decorators, Property Decorators, and Parameter Decorators.

• Example of a Class Decorator: @Component({ selector: 'app-root', templateUrl: './app.component.html...read more
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Q9. What is the difference between the `` and `` elements in HTML?
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The <b> element is for bold text, while <strong> indicates strong importance, often styled as bold.
• <b> is used for stylistic bolding without implying importance. Example: <b>Bold Text</b>

• <strong> conveys strong importance or emphasis. Example: <strong>Important Text</strong>

• <strong> is semantically meaningful for accessibility tools, while <b> is purely presen...read more
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Q10. What is a container projection?
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Container projection allows components to project content into designated slots, enhancing flexibility in Angular applications.
• Container projection is achieved using <ng-content> in Angular components.

• It allows a parent component to pass content to a child component dynamically.

• Example: A modal component can use container projection to display different content based on usage.

• Multiple <ng-content> tags can ...read more
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Q11. What is the method to center a div using SCSS?
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Centering a div in SCSS can be achieved using various techniques like flexbox, grid, or margin auto.
• Use Flexbox: Set display: flex; and justify-content: center; align-items: center; on the parent.

• Example: .parent { display: flex; justify-content: center; align-items: center; } .child { width: 50%; }

• Use Grid: Set display: grid; and place the child in the center.

• Example: .parent { display: grid; place-items: center; } .c...read more
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Q12. What are the best practices for making a webpage responsive?
Ans. 
Responsive web design ensures optimal viewing across devices by adapting layout and content to different screen sizes.
• Use flexible grid layouts that adjust based on screen size, e.g., CSS Grid or Flexbox.

• Implement media queries to apply different styles for various screen widths, e.g., @media (max-width: 600px) { ... }.

• Utilize responsive images with the 'srcset' attribute to serve different image sizes based on device ...read more
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Q1. Could you clarify what context you're referring to? Are you evaluating a project, an event, a personal experience, or something else?
Ans. 
Clarifying context helps tailor responses to specific situations, ensuring relevant insights and effective communication.
• Project evaluation: Assessing a marketing campaign's success based on KPIs.

• Event analysis: Reviewing the outcomes of a corporate retreat for team building.

• Personal experience: Reflecting on a leadership role in a community service project.
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Q2. Clear Guidelines: The process had well-defined steps and instructions. Efficient Execution: Tasks were completed on time and with minimal issues. Consistency: The process was followed uniformly across diff...read more
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Effective processes ensure clear guidelines, efficient execution, and quality outcomes through stakeholder engagement and problem-solving.
• Clear Guidelines: Established a step-by-step manual for onboarding new employees, ensuring everyone followed the same process.

• Efficient Execution: Implemented a project management tool that helped the team complete tasks ahead of deadlines with fewer errors.

• Consistency: Conducted reg...read more
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Q3. Which industries are growing, and where does your skill set fit? What are the company’s values, culture, and work environment? Are there opportunities for career growth in the company?
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Here’s a simple framework to approach a case study effectively:


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Case Study Framework

1. Understand the Problem

Read the case thoroughly and identify the key issue.

Ask clarifying questions if needed (if in a live setting).

Summarize the problem in your own words.



2. Analyze the Situation

SWOT Analysis (Strengths, Weaknesses, Opportunities, Threats)

Identify relevant stakeholders.

Gather data or key insights from the case text.



3. Identify Alternatives

Brainstorm possible solutions to the problem.

Consider multiple approaches (e.g., short-term vs. long-term solutions).



4. Evaluate the Alternatives

Weigh the pros and cons of each solution.

Assess feasibility, costs,

Q1. What are the common performance issues that can occur in a system?
Ans. 
Common performance issues in a system include slow response times, high resource usage, bottlenecks, and crashes.
• Slow response times can be caused by inefficient code, network latency, or overloaded servers.

• High resource usage can lead to system slowdowns and crashes, often caused by memory leaks or inefficient algorithms.

• Bottlenecks occur when a component of the system becomes a limiting factor, such as a database ser...read more
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Q2. What is your experience with software bug fixing?
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I have experience in identifying and resolving software bugs through thorough testing and collaboration with developers.
• Identifying bugs by reproducing issues reported by users

• Collaborating with developers to understand root cause of bugs

• Testing bug fixes to ensure they are effective

• Utilizing bug tracking tools like Jira or Bugzilla

• Experience with regression testing to prevent reoccurrence of bugs
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Shortcut Tips for Coding Tests: 1. Master the Basics: Familiarize yourself with arrays, strings, loops, and conditional statements. 2. Learn Patterns: Concentrate on sliding window, two-pointer techniques, recursion, and divide-and-conquer methods. 3. Use Standard Algorithms: Study breadth-first search (BFS), depth-first search (DFS), sorting algorithms, and dynamic programming principles. 4. Understand Data Structures: Practice with stacks, queues, linked lists, and trees. 5. Practice Edge Cases: Consider scenarios involving empty inputs, duplicates, and large datasets. 6. Write Pseudocode: Outline your plan before starting to code. 7. Optimize Early: Always strive for efficiency in your solutions.

Q1. Tell me about you & your family
Ans. 
I come from a close-knit family of four, including my parents, my younger sister, and myself.
• My parents have always been supportive of my career choices and have instilled in me the values of hard work and dedication.

• My younger sister is currently studying in college and is pursuing a degree in marketing.

• We enjoy spending quality time together on weekends, whether it's going out for dinner or watching movies at home.
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Q2. Why should we hire you
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I have a proven track record of exceeding sales targets, strong leadership skills, and a passion for driving results.
• Proven track record of exceeding sales targets

• Strong leadership skills

• Passion for driving results
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4 Round hue the Aaj ek to test hua or dusra voice call or baki video call hui thi

Q1. What is difference between Association, Association, Aggregation ?
Ans. 
Association represents a relationship between two classes, Aggregation is a type of association with a whole-part relationship.
• Association represents a relationship between two classes without implying any ownership.

• Aggregation is a type of association where one class is a part of another class.

• Composition is a stronger form of aggregation where the part cannot exist without the whole.

• In UML, association is represented...read more
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Q2. Write Java program to invoke a AWS lambda function ?
Ans. 
To invoke an AWS Lambda function using Java program.
• Create an AWS Lambda client using AWS SDK for Java

• Invoke the Lambda function using invoke method

• Handle the response from the Lambda function
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Q3. Write Java program for Singleton pattern ?
Ans. 
Singleton pattern ensures a class has only one instance and provides a global point of access to it.
• Create a private static instance of the class

• Provide a public static method to access the instance

• Ensure the constructor is private to prevent instantiation
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Q4. How Security is maintained in Microservices ?
Ans. 
Security in Microservices is maintained through authentication, authorization, encryption, and monitoring.
• Implementing authentication mechanisms like OAuth, JWT, or API keys to verify the identity of clients accessing the microservices.

• Utilizing authorization techniques such as role-based access control (RBAC) or attribute-based access control (ABAC) to control what actions users can perform.

• Encrypting data in transit ...read more
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Q5. What design patterns you have worked ?
Ans. 
I have worked with design patterns such as Singleton, Factory, Observer, and Strategy.
• Singleton pattern ensures a class has only one instance and provides a global point of access to it.

• Factory pattern creates objects without specifying the exact class of object that will be created.

• Observer pattern defines a one-to-many dependency between objects so that when one object changes state, all its dependents are notified a...read more
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Q1. How much time you take to show the demo after getting the RFP ?
Ans. 
The time taken to show the demo after receiving the RFP varies based on project complexity and client requirements.
• The time frame for demo preparation can range from a few days to a few weeks, depending on the scope of the project.

• It is important to thoroughly understand the RFP requirements before scheduling the demo to ensure all key points are addressed.

• Collaboration with the sales team and other stakeholders is cru...read more
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Q2. What AWS services you have used ?
Ans. 
I have used a variety of AWS services including EC2, S3, RDS, Lambda, and CloudFormation.
• EC2 - Elastic Compute Cloud for scalable virtual servers

• S3 - Simple Storage Service for object storage

• RDS - Relational Database Service for managed databases

• Lambda - Serverless computing service for running code without provisioning servers

• CloudFormation - Infrastructure as Code service for automating resource provisioning
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Q3. Where AWS lambda you have used ?
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I have used AWS Lambda for building serverless applications and automating tasks.
• Developed a serverless image processing application using AWS Lambda, S3, and API Gateway

• Implemented a cron job using AWS Lambda to automatically backup DynamoDB tables

• Integrated AWS Lambda with Amazon SNS to send notifications based on certain events
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