questions/common/questions.csv

question,option1,option2,option3,option4,answer,difficulty
"What is the most important factor when designing a scalable system?","Efficiency","Security","Performance","Maintainability","Maintainability","low"
"What is the main difference between a shallow copy and a deep copy of an object?","Shallow copy copies references, deep copy copies actual objects","Shallow copy copies values, deep copy copies references","Shallow copy doesn't copy mutable objects, deep copy does","No difference between the two","Shallow copy copies references, deep copy copies actual objects","low"
"What is the correct approach when debugging code that frequently breaks in production?","Write more unit tests","Increase logging to trace the error","Add try-except blocks everywhere","Revert to the last working version","Increase logging to trace the error","low"
"How do you handle race conditions in a multi-threaded environment?","Using locks or semaphores","By avoiding concurrency","By using atomic operations","By increasing the number of threads","Using locks or semaphores","low"
"Which of the following is the most important when writing maintainable code?","Naming conventions","Performance optimizations","Use of comments","Code duplication","Naming conventions","low"
"What is the correct way to handle version control conflicts in Git?","Delete the conflicting code","Manually resolve the conflict","Ignore the conflicts","Keep both versions of the code","Manually resolve the conflict","low"
"What is the best way to deal with unhandled exceptions in production?","Log the error and continue execution","Send an alert to the team and fail gracefully","Automatically restart the application","Ignore and hope the issue resolves itself","Send an alert to the team and fail gracefully","medium"
"What is the purpose of writing unit tests?","To ensure that the system works as intended during integration","To verify individual components behave as expected","To ensure system security","To generate documentation automatically","To verify individual components behave as expected","medium"
"What is a key benefit of Test-Driven Development (TDD)?","It helps you write better code in less time","It reduces the need for debugging","It guarantees fewer bugs in production","It makes the codebase more maintainable in the long term","It makes the codebase more maintainable in the long term","medium"
"What is the most important factor when choosing a database for a project?","Cost of the database","Ease of setup","Scalability and performance for your use case","Popularity among developers","Scalability and performance for your use case","medium"
"How would you handle a situation where a project is behind schedule and the team is underperforming?","Blame the team for poor performance","Reassign tasks to high performers","Communicate with stakeholders and adjust the project scope if needed","Ignore the issue and hope for improvement","Communicate with stakeholders and adjust the project scope if needed","medium"
"Which design pattern would you use to ensure that a class has only one instance in a program?","Factory Pattern","Singleton Pattern","Decorator Pattern","Observer Pattern","Singleton Pattern","medium"
"What is the purpose of continuous integration (CI)?","To reduce manual testing effort","To automatically merge code branches","To improve collaboration between developers","To detect integration problems early in the development process","To detect integration problems early in the development process","medium"
"What is the most efficient way to find duplicate values in a large list?","Sort the list and compare adjacent elements","Use a set to check for duplicates while iterating","Iterate through the list multiple times","Use a hash table","Use a set to check for duplicates while iterating","medium"
"How do you ensure that your code is scalable?","Focus on performance optimizations from the start","Design the system to handle increasing data volume and user load","Avoid using third-party libraries","Refactor code frequently to remove inefficiencies","Design the system to handle increasing data volume and user load","high"
"Which of the following is a good practice when working with cloud infrastructure?","Hard-code credentials in the codebase","Manually configure each service","Use environment variables for configuration management","Avoid automating infrastructure deployment","Use environment variables for configuration management","high"
"How do you ensure the security of an application?","By making sure the code is as fast as possible","By using secure coding practices and regularly reviewing security vulnerabilities","By reducing the number of external libraries","By limiting user access","By using secure coding practices and regularly reviewing security vulnerabilities","high"
"What is the most important skill a developer should have when working in a collaborative environment?","Ability to code quickly","Experience with debugging","Clear communication and teamwork skills","Deep knowledge of the technology stack","Clear communication and teamwork skills","high"
"What is the first step in identifying and solving performance bottlenecks in an application?","Profiling the application to identify the slow parts","Optimizing the entire codebase at once","Increasing server capacity","Reducing database queries","Profiling the application to identify the slow parts","high"
"How do you ensure the correctness of your code when working on a large project?","Write extensive documentation","Conduct regular code reviews and pair programming","Test the code only when necessary","Always work alone and avoid collaboration","Conduct regular code reviews and pair programming","high"
"How would you manage a project that requires frequent collaboration between multiple teams?","Work on tasks individually and combine them later","Keep communication channels open and hold regular sync meetings","Focus only on your own team’s work","Divide the project into isolated parts and have each team work independently","Keep communication channels open and hold regular sync meetings","high"
"What is your approach to learning a new programming language or technology?","Read the documentation thoroughly","Build a small project and learn as you go","Follow tutorials and courses","Rely on theoretical knowledge alone","Build a small project and learn as you go","high"
"What is the most important thing to consider when designing a REST API?","Making it RESTful","Making it easy to use and understand","Minimizing the number of endpoints","Designing it to be flexible with versioning","Making it easy to use and understand","high"
"How do you manage software dependencies in a project?","By hardcoding all dependencies in the codebase","By using a package manager or dependency manager","By manually installing and updating libraries","By avoiding dependencies as much as possible","By using a package manager or dependency manager","high"
"How do you handle situations where a product requirement changes mid-project?","Ignore the changes and continue working","Stop working until the change is fully clarified","Communicate with the stakeholders, adjust plans, and re-prioritize tasks","Resist the change and keep the original plan","Communicate with the stakeholders, adjust plans, and re-prioritize tasks","high"
"What is the correct approach to maintaining a balance between code quality and deadlines?","Write only enough code to meet the deadline","Prioritize code quality, even if it means missing deadlines","Find a balance by focusing on essential features while keeping code quality in check","Rush the code and test it later","Find a balance by focusing on essential features while keeping code quality in check","high"
"What is your approach when working with legacy code?","Rewrite the entire codebase","Test thoroughly, understand the existing code, and refactor carefully","Ignore the legacy code and focus only on new features","Add new features without considering the impact on existing functionality","Test thoroughly, understand the existing code, and refactor carefully","high"
"What is the importance of API documentation?","It is optional and can be skipped","It helps the team understand the endpoints and how to use them","It is only important for public APIs","It only serves as a marketing tool","It helps the team understand the endpoints and how to use them","high"
"What do you think is the most important quality of a good developer?","Speed of coding","Knowledge of algorithms","Attention to detail, problem-solving skills, and willingness to learn","Ability to work independently","Attention to detail, problem-solving skills, and willingness to learn","high"