Bacancy Technology Interview Questions, Process, and Tips

Q1. All basics of C#,MVC and SQL
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Q1. Difference between async and promise
Ans. 
Async is a keyword used to define a function that returns a promise. Promises are objects representing the eventual completion or failure of an asynchronous operation.
• Async functions always return a promise, while promises represent the eventual result of an asynchronous operation.

• Async functions make it easier to write asynchronous code in a synchronous manner, using the 'await' keyword to pause execution until the pr...read more
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Q2. Difference between fetch and axios
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Fetch is a built-in web API in JavaScript for making HTTP requests, while Axios is a third-party library for the same purpose.
• Fetch is built into the browser, while Axios is a standalone library that needs to be installed separately.

• Axios has built-in support for handling request and response interceptors, while Fetch does not.

• Axios automatically transforms JSON data, while with Fetch you need to manually call the .jso...read more
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Explain the difference between volatile and const volatile in C

Q1. What is the difference between SPI and I2C Communication protocols?
Ans. 
SPI is faster, full-duplex, and uses separate data lines, while I2C is slower, half-duplex, and uses a shared data line.
• SPI is faster than I2C

• SPI is full-duplex, allowing data to be sent and received simultaneously

• SPI uses separate data lines for communication

• I2C is slower than SPI

• I2C is half-duplex, meaning data can only be sent or received at a time

• I2C uses a shared data line for communication
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Q1. What is directive, pipes, service, forms
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Directives, pipes, services, and forms are core Angular concepts for building dynamic web applications.
• Directives: Custom HTML attributes that enhance the behavior of elements. Example: <div *ngIf='isVisible'>Content</div>

• Pipes: Transform data for display in templates. Example: {{ dateValue | date:'short' }} formats a date.

• Services: Singleton objects for business logic and data sharing. Example: @Injectable...read more
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Q2. Rxjs Operators, subject vs behaviour subject
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Q1. Js promises async await closusre
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Q2. Node js architecture event loop
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Q1. What is JS?
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Q2. What is Callback?
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Q1. Do you know basic About SEO practices?
Ans. 
Yes, basic SEO practices include keyword research, on-page optimization, link building, and content creation.
• Keyword research involves identifying relevant keywords for your website or content.

• On-page optimization includes optimizing meta tags, headings, and content for search engines.

• Link building involves acquiring backlinks from other websites to improve your site's authority.

• Content creation focuses on creating hig...read more
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