RTBAnalytica Software Engineer2 Interview Questions and Answers

Basic aptitude questions based on profit and loss

Coding test based on c language and python programming

Communication assignment based on English

Q1. Self introduction
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Q2. Difine real time operation system
Ans. 
Real-time operating systems are designed to provide guaranteed response times for critical tasks.
• Real-time operating systems prioritize tasks based on their urgency and importance.

• They are commonly used in industries such as aerospace, automotive, and industrial automation.

• Examples include VxWorks, QNX, and FreeRTOS.
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Q1. Self introduction
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Q2. Project work questions
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Q1. Daemon thread in java
Ans. 
Daemon thread is a low priority thread that runs in the background and does not prevent the JVM from exiting.
• Daemon threads are used for tasks that do not require user interaction or continuous execution.

• They are automatically terminated when all non-daemon threads have finished.

• Set a thread as daemon using setDaemon(true) method before starting it.

• Example: Thread t = new Thread(); t.setDaemon(true); t.start();
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Hackerrank was used for test

Q1. Implement BFS to find the nearest neighbour
Ans. 
Implement BFS algorithm to find the nearest neighbour
• Create a queue to store nodes to be visited

• Start with the initial node and add it to the queue

• While the queue is not empty, dequeue a node, visit its neighbours, and add them to the queue

• Repeat until the nearest neighbour is found
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Q2. Implement Priority queue using heap.
Ans. 
Priority queue can be implemented using a heap data structure.
• Create a min heap or max heap based on the priority order needed.

• Insert elements into the heap based on their priority level.

• Remove elements from the heap based on their priority level.

• Heapify the heap after each insertion or deletion operation.

• Example: Implementing a min heap for a priority queue where lower values have higher priority.
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Q1. Java Basics Technical Questions
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Q2. In depth knowledge OOPS concepts and basic practice skills of SQL operations
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Q3. In depth practice of String Manipulations using looping and conditional statements
Ans. 
String manipulation using loops and conditionals for software engineering
• Use loops to iterate through each character in the string

• Use conditional statements to check for specific conditions and manipulate the string accordingly

• Examples: reversing a string, counting occurrences of a specific character, removing whitespace
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Q4. In depth knowledge of J2ee concepts with any ORM / MVC framework skills
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Q1. Java Basics Technical Questions
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They just asked about my previous experience and questions from my resume

Q1. Bsod , how to handle angry customer ,
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Any ideas for an aptitude test?

Q1. You have a good network connection.
Ans. 
Yes as g good network connection
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Q2. Which individuals are currently employed?
Ans. 
The current employees include software developers, project managers, quality assurance analysts, and technical support specialists.
• Software developers

• Project managers

• Quality assurance analysts

• Technical support specialists
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What is education in place?

What is a SQL Server?

Effective communication and any suggestion.

Q1. What is your name?
Ans. 
My name is John Doe.
• Full name is John Doe

• Common name in English-speaking countries

• No middle name or initial
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Q2. What is your educational background?
Ans. 
I have a Bachelor's degree in Computer Science from XYZ University.
• Bachelor's degree in Computer Science

• Graduated from XYZ University

• Specialized in software development

• Took courses in programming languages, algorithms, and software engineering
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Q1. What type of work does the Deloitte company engage in?
Ans. 
Deloitte is a multinational professional services network that provides consulting, audit, tax, and advisory services.
• Deloitte engages in consulting services for various industries

• They provide audit and assurance services to ensure financial accuracy

• The company offers tax services to help clients navigate complex tax regulations

• Deloitte also provides advisory services to help businesses improve performance and manage r
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Q2. What type of work does Deloitte engage in?
Ans. 
Deloitte engages in consulting, audit, tax, and advisory services for clients in various industries.
• Consulting services for businesses

• Audit services for financial statements

• Tax services for individuals and corporations

• Advisory services for strategy and operations

• Industry-specific services such as healthcare, technology, and financial services
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Q1. What is your father's name?
Ans. 
My father's name is John Smith.
• Father's name is John Smith

• He goes by the name John

• His full name is John Smith
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Q2. What is your father's name?
Ans. 
My father's name is John Smith.
• Father's first name is John.

• Father's last name is Smith.

• Full name is John Smith.
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Engage with any assignment provided.

Please provide any assignments you have.

Q1. What are custom hooks in React, and what are their use cases? Additionally, can you provide an example of a custom hook that performs an API call and utilizes the retrieved data?
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Q2. What is the difference between useMemo and useCallback in React?
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Q3. What is the difference between class-based components and functional components in React?
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Q4. How can you implement the lifecycle of a React component in a functional component?
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Q5. What are the various state management techniques available in React?
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Q6. What is the architecture of Redux, and what purposes do middlewares serve within it?
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Q7. What is hoisting in JavaScript?
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Q8. What is event bubbling in JavaScript?
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Q9. What are block scope and function scope in JavaScript?
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Q10. Have you had experience working with semantic tags in HTML?
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Q11. What are the various methods for creating an object in JavaScript?
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Q12. What are the differences between shallow copy and deep copy in JavaScript?
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Q13. What will be the output of the following JavaScript code fragment: `const a; function test() { console.log(a); }; test();`?
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Q14. How can you use CSS to arrange elements in a row and column layout?
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Q15. Have you utilized CSS preprocessors, and if so, which ones?
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Q16. If I have assigned different colors to an ID and a class and applied both to the same element, which color will be applied based on CSS specificity precedence?
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Q1. Difference between out and ref.
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Q2. Sql query to find the 2nd last student marks
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Q3. Second round was around project specific like why mongodb or posgreSQL? Project architecture and followup questions.
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Q4. Create global exception handler.
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