Cognizant Senior Engineer Interview Questions and Answers for Freshers

I have an intermediate skill level in shell casting.

• I have experience in creating shell molds using different materials such as ceramic, resin, and plaster.

• I am familiar with the process of pouring molten metal into the shell mold and the subsequent cooling and solidification process.

• I have worked on projects that required precision and accuracy in shell casting, such as creating intricate metal parts for aerospace app...read more

C is a general-purpose programming language known for its efficiency and low-level memory manipulation capabilities.

• C was developed by Dennis Ritchie at Bell Labs in 1972.

• It is widely used for system programming, embedded systems, and developing operating systems.

• C is a compiled language and is known for its speed and efficiency.

• It has influenced many other programming languages, including C++, Java, and Python.

• Some po...read more

Main challenges faced in GCP implementation

• Data migration and integration with existing systems

• Ensuring security and compliance with regulations

• Optimizing costs and managing resources effectively

• Training and upskilling employees to use GCP effectively

• Choosing the right services and configurations for specific use cases

Best practices for BigQuery include optimizing queries, managing costs, and securing data.

• Optimize queries by using partitioning, clustering, and caching

• Manage costs by using cost controls, monitoring usage, and optimizing storage

• Secure data by using IAM roles, encryption, and audit logs

Name mangling is a technique used by compilers to give unique names to functions and variables to avoid naming conflicts.

• Name mangling is used in C++ to support function overloading.

• It is also used in Python to avoid naming conflicts in modules.

• Name mangling can make it difficult to access variables and functions from outside the class in which they are defined.

• In C++, name mangling can be seen by using the 'nm' comman