TCS Interview Questions and Answers

Apache Spark is a fast and general-purpose cluster computing system.

• Apache Spark is an open-source distributed computing system that provides an interface for programming entire clusters with implicit data parallelism and fault tolerance.

• It has a unified architecture that combines SQL, streaming, machine learning, and graph processing capabilities.

• Spark architecture consists of a driver program that coordinates the execution of tasks on a cluster of worker nodes.

• It uses a mas...read more

Project lifecycle refers to the stages a project goes through from initiation to closure.

• The project lifecycle typically includes initiation, planning, execution, monitoring and control, and closure.

• During initiation, the project is defined and its feasibility is assessed.

• Planning involves creating a detailed project plan, including timelines, budgets, and resource allocation.

• Execution involves carrying out the plan and completing the project deliverables.

• Monitoring and contr...read more

Quality in project manager is essential for successful project delivery.

• Effective communication skills

• Strong leadership abilities

• Problem-solving skills

• Time management skills

• Attention to detail

• Ability to manage risks

• Adaptability to changes

• Team building and motivation

• Conflict resolution skills

Code snippet to download a CSV file

• Use a server-side language like Python or PHP to generate and serve the CSV file

• Set the appropriate headers in the response to indicate that the content is a CSV file

• Provide a download link or button on the frontend to trigger the download

A program in C++ to convert a string to lowercase and uppercase.

• Use the tolower() function to convert a character to lowercase

• Use the toupper() function to convert a character to uppercase

• Iterate through each character in the string and apply the conversion functions