Onsurity Technologies Interview Questions and Answers for Freshers

I have worked on various projects including a web application for tracking personal finances and a mobile app for managing grocery lists.

• Developed a web application using React.js and Node.js for tracking personal finances

• Created a mobile app using Flutter for managing grocery lists

• Implemented RESTful APIs for communication between frontend and backend systems

Async await in JavaScript is a way to write asynchronous code that looks synchronous, making it easier to manage promises.

• Async functions return a promise.

• Await keyword is used inside async functions to wait for a promise to resolve.

• Async await helps avoid callback hell and makes code more readable and maintainable.

Sharding is a technique used in DBMS to horizontally partition data across multiple databases to improve performance and scalability.

• Sharding involves breaking up a large database into smaller, more manageable pieces called shards.

• Each shard contains a subset of the data, allowing for parallel processing and improved performance.

• Sharding helps distribute the workload across multiple servers, reducing the load on any si...read more

Async await in JavaScript is a way to write asynchronous code that looks synchronous, making it easier to read and maintain.

• Async functions return a Promise.

• Await keyword is used to pause the execution of async functions until a Promise is settled.

• Async await simplifies error handling in asynchronous code.

I have worked on various projects including a web application for tracking personal finances and a mobile app for managing grocery lists.

• Developed a web application using React and Node.js to track personal finances

• Created a mobile app using Flutter to manage grocery lists

• Collaborated with a team to implement features and fix bugs

• Utilized version control systems like Git for project management

Implementing a custom class in C++

• Define the class using the 'class' keyword

• Add member variables and member functions

• Implement constructors and destructors

• Overload operators for custom functionality