Covalense Global Senior Software Engineer Interview Questions and Answers

Q1. All about angular basic and deep questioning
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Q1. Basic routing and SPA
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Q1. Detail qbout angular and node js
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Angular is a front-end framework while Node.js is a back-end runtime environment.
• Angular is used for building dynamic web applications with a focus on the client-side.

• Node.js is used for building server-side applications with JavaScript.

• Angular uses TypeScript for building applications while Node.js uses JavaScript.

• Angular has a large community and a lot of pre-built components while Node.js has a vast library of modul...read more
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Q1. Salary discussion as per interview
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Q1. What are Promises
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Promises are objects representing the eventual completion or failure of an asynchronous operation.
• Promises are used in JavaScript to handle asynchronous operations.

• They can be in one of three states: pending, fulfilled, or rejected.

• Promises can be chained using .then() to handle success and .catch() to handle errors.

• Example: Fetching data from an API returns a Promise that resolves with the data or rejects with an erro
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Q2. Is Node.js Single Threaded or Multiple Threaded
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Node.js is single threaded, but uses multiple threads for I/O operations.
• Node.js uses a single thread to handle all JavaScript code execution.

• It uses multiple threads from a thread pool to handle I/O operations asynchronously.

• This allows Node.js to handle high concurrency without blocking the main thread.

• Example: When reading a file, Node.js will use a separate thread from the pool to perform the I/O operation.
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Reverse the Array of Strings

Q1. There were multiple questions on azure cloud and projects i worked on
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Q2. Sql queries and scenario based azure questions
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Q1. 2,3 Round technical
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Q2. Basic .net ,MVC framework concepts,SQL logical questions
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Q1. Basic all type questions
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Q1. Project related and technology se related
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Q1. What is angular
Ans. 
Angular is a popular open-source web application framework developed by Google for building dynamic single-page applications.
• Angular is based on TypeScript, a superset of JavaScript.

• It follows the MVC (Model-View-Controller) architecture.

• Angular provides features like data binding, dependency injection, and routing.

• It has a powerful CLI (Command Line Interface) for scaffolding and building projects.

• Angular has a large ...read more
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Q2. What is directives and pipes
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Directives and pipes are features in Angular that allow developers to extend HTML functionality and transform data in templates.
• Directives are markers on a DOM element that tell Angular to attach a specified behavior to that DOM element or transform the DOM element and its children.

• Pipes are used to format data in a template. They take in data as input and transform it into the desired output for display.

• Examples of di...read more
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Q1. Have you worked on ttcn earlier? Mostly related to past projects worked on C storage classes and questions on pointers snips Linked list to find the middle number
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Q2. Asked about my work if i clear
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Q1. Mostly ttcn questions but i dont have knowledge on this
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Q2. Ttcn development testscripts, gui implementatio
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Q1. 30 minutes of discussion.
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Q1. 75 minutes of discussion
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