Cognizant Senior Technical Architect Interview Questions and Answers

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.

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

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

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

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

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