Principal Global Services Business Consultant Analyst Interview Questions and Answers

Q1. What are props and events in ReactJS
Ans. 
Props are used to pass data from parent to child components, while events are actions that occur in the application.
• Props are read-only and help in maintaining the unidirectional data flow in React

• Events are actions like onClick, onChange, etc. that are triggered by user interactions

• Example: Passing a 'name' prop from a parent component to a child component and triggering an onClick event to update state
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Q2. What is abstraction in java
Ans. 
Abstraction in Java is the concept of hiding the implementation details and showing only the necessary features of an object.
• Abstraction allows you to define a template for a class without providing the implementation details.

• It helps in reducing complexity by hiding unnecessary details and only showing the essential parts.

• Abstract classes and interfaces are used to achieve abstraction in Java.
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Swap two number without using third variable

Q1. How do you see yourself in 5years
Ans. 
In 5 years, I see myself as a successful professional who has grown both personally and career-wise.
• Continuing to advance in my career and taking on more responsibilities

• Possibly pursuing further education or certifications to enhance my skills

• Building a strong professional network and mentor relationships

• Striving for a healthy work-life balance
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Q2. What about Chubb attracts you the most
Ans. 
Chubb's strong reputation for financial stability and excellent customer service is what attracts me the most.
• Financial stability: Chubb has a long history of financial strength and stability, giving me confidence in their ability to fulfill their commitments.

• Excellent customer service: Chubb is known for providing top-notch customer service, which is important to me as a potential customer or employee.
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Q1. What is a thread in java
Ans. 
A thread in Java is a lightweight process that allows concurrent execution of code within a program.
• Threads enable multitasking within a single program, improving efficiency.

• Java provides the Thread class and Runnable interface to create threads.

• Example: Implementing Runnable interface to define a thread's task.

• Threads can be started using the start() method and can be managed using methods like sleep(), join(), and in...read more
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Q2. Diff btw union and union all in sql
Ans. 
UNION combines unique records from two queries; UNION ALL includes all records, including duplicates.
• UNION removes duplicate rows from the result set.

• UNION ALL retains all rows, including duplicates.

• Example of UNION: SELECT name FROM table1 UNION SELECT name FROM table2;

• Example of UNION ALL: SELECT name FROM table1 UNION ALL SELECT name FROM table2;

• UNION may be slower due to duplicate elimination, while UNION ALL is ge
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Q1. Questions based on your technology
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Scenario based questions

Q1. Design a system for booking a meeting room.
Ans. 
A system to efficiently book, manage, and track meeting room availability and reservations.
• User authentication: Ensure only authorized users can book rooms.

• Room availability: Display real-time availability of meeting rooms.

• Booking interface: Provide a user-friendly interface for selecting dates, times, and rooms.

• Notifications: Send email or app notifications for booking confirmations and reminders.

• Cancellation policy: ...read more
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Q2. Angular questions were not asked
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Q3. Question related to Cosmos DB , Azure Services and .net core
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Q1. String based question, was of medium difficulty.
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Q2. Linked List based question, was of easy-medium difficulty.
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Q1. Java 8 and Core Java Fundamentals
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Q2. Explain one sorting algorithm.
Ans. 
Bubble Sort is a simple sorting algorithm that repeatedly steps through the list, compares adjacent elements, and swaps them if they are in the wrong order.
• Compares adjacent elements and swaps them if they are in the wrong order

• Repeats this process until the list is sorted

• Not efficient for large lists due to its O(n^2) time complexity

• Example: [5, 3, 8, 2, 1] -> [3, 5, 2, 1, 8] -> [3, 2, 1, 5, 8] -> [2, 1, 3, 5, 8] -> [
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Multiple medium level MCQs on Java. 3 Coding Questions, 2 easy-medium and one Java 8 Coding question of medium-hard difficulty

Q1. Tell me about yourself/previous work ex/projects.
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Q2. Salary negotiation
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20 min ease questions can surf on internet

Normal level questions

Q1. Linear search program
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Q1. Have you completed certification
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Q2. Yes I have completed
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