IBS Software Services Technical Architect Interview Questions and Answers

Q1. Generic Interview Question on Telecom
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Q2. When you coded last time
Ans. 
I coded last time yesterday to develop a web application.
• Developed a web application using HTML, CSS, and JavaScript

• Implemented user authentication and authorization using a Node.js framework

• Integrated a PostgreSQL database to store and retrieve data

• Used Git for version control and collaborated with a team on GitHub
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Q1. Instant coding test, and questions was on java, Automotive domain, android aosp and framework VHAL
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Q1. Questions was on automotive android and java
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Q1. All basic C++, Design patterns
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Q1. Basic management question
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On the topic of wfh vs wfo

Q1. Logic for leap year
Ans. 
A leap year is a year that is divisible by 4, except for years that are divisible by 100 but not by 400.
• Leap year is divisible by 4

• Exception: Years divisible by 100 but not by 400 are not leap years

• Example: 2000 is a leap year because it is divisible by 400
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Q2. Logic for fibonocee series
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Fibonacci series is a sequence of numbers where each number is the sum of the two preceding ones.
• Start with 0 and 1 as the first two numbers in the series

• Add the previous two numbers to get the next number in the series

• Repeat this process to generate the Fibonacci series
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Q3. Swap two number without 3rd variable
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Swap two numbers without using a third variable
• Use bitwise XOR operation to swap two numbers without using a third variable

• Example: a = 5, b = 10. a = a XOR b, b = a XOR b, a = a XOR b

• After swapping: a = 10, b = 5
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Q1. Biometric attitude questions
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Q1. How to handle security in Kafka?
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Security in Kafka can be handled through authentication, authorization, encryption, and SSL/TLS.
• Implement authentication mechanisms like SASL or SSL for secure communication between clients and brokers.

• Set up ACLs (Access Control Lists) to control access to topics and resources.

• Enable encryption using SSL/TLS to secure data in transit.

• Use tools like Confluent Security Plugins for additional security features.

• Regularly ...read more
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Q2. Benefits of Microservices?
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Microservices offer benefits such as scalability, flexibility, resilience, and easier maintenance.
• Scalability: Microservices allow for individual components to be scaled independently, leading to better resource utilization.

• Flexibility: Each microservice can be developed, deployed, and updated independently, allowing for more flexibility in the development process.

• Resilience: If one microservice fails, it does not brin...read more
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Q3. Have you done any customisation in spring-boot?
Ans. 
Yes, I have done customisation in spring-boot.
• Implemented custom error handling by extending ResponseEntityExceptionHandler

• Created custom annotations for validation

• Configured custom logging using Logback
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