Capgemini Senior Technical Architect Interview Questions and Answers

Q1. What is the dangling pointer?
Ans. 
A dangling pointer is a pointer that points to a memory location that has been deallocated or freed.
• Dangling pointers can cause crashes or unexpected behavior.

• They occur when a pointer is not set to NULL after the memory it points to is freed.

• Using a dangling pointer can lead to security vulnerabilities.

• Dangling pointers can be avoided by setting pointers to NULL after freeing memory.
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Q2. How to debug crash dumps?
Ans. 
Debugging crash dumps involves analyzing the dump file to identify the cause of the crash.
• Use a debugger tool to analyze the dump file

• Identify the exception code and the module where the crash occurred

• Check for memory leaks and corruption

• Analyze the call stack to identify the root cause

• Use symbols to decode the stack trace

• Look for any relevant logs or events leading up to the crash
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Q1. Java, rest, microservices, current project
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Q1. Design patterns, microservices, system design
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Q1. Describe security in micro services
Ans. 
Security in microservices involves implementing authentication, authorization, encryption, and monitoring.
• Implement authentication and authorization mechanisms to control access to microservices

• Use encryption to secure communication between microservices

• Implement monitoring and logging to detect and respond to security incidents

• Consider using API gateways for centralized security control

• Implement rate limiting and thro
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Q2. Design sn app with admin snd user roles
Ans. 
Create an app with admin and user roles
• Implement role-based access control (RBAC)

• Admins have access to all features and can manage users

• Users have limited access based on their role

• Use authentication and authorization mechanisms

• Consider using frameworks like Spring Security or Django's authentication system
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Q1. Why do you want to join us?
Ans. 
I am excited about the innovative projects and collaborative team at your company.
• Impressed by company's reputation in the industry

• Excited about the opportunity to work on cutting-edge projects

• Looking forward to collaborating with talented team members
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Q2. Why are you looking for a change?
Ans. 
Seeking new challenges and opportunities for growth.
• Looking for opportunities to work on more complex projects

• Interested in expanding my skill set and learning new technologies

• Seeking a more collaborative and innovative work environment
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Q1. Discuss 4 case study related to supply chain management.
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Round duration - 140 minutes
Round difficulty - Medium

Test timing was at 2:00 pm , it was conducted in a college and the environment was good for the test. Camera was a primary part of test, so no suspicious activity.

Q1. 
Sum of Two Numbers Represented as Arrays
Given two numbers in the form of two arrays where each element of the array represents a digit, calculate the sum of these two numbers and return this sum as an ar...read more
Ans. 
Given two numbers represented as arrays, calculate their sum and return the result as an array.
• Iterate through the arrays from right to left, adding digits and carrying over if necessary

• Handle cases where one array is longer than the other by considering the remaining digits

• Ensure the final sum array does not have any leading zeros
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Round duration - 20 minutes
Round difficulty - Easy

The round was conducted at around 12 p.m. I was called at the college location and then it was conducted. The interviewer was quite polite and frank.

Round duration - 8 minutes
Round difficulty - Easy

This round was conducted right after finishing and clearing the technical round at the same place and on the same day.