Etax Accountants Senior Automation Engineer Interview Questions and Answers

Q1. Basic oops consept.
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Q1. About your last work experience
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Good , just practice Leet code easy questions

It was a one hour coding test, with 4 programming questions.

Q1. Design zepto delivery system .
Ans. 
Design a zepto delivery system for efficient and fast delivery of small packages.
• Utilize drones for quick and efficient delivery

• Implement a centralized hub for package sorting and distribution

• Use GPS tracking for real-time package monitoring

• Optimize routes for faster delivery times

• Ensure secure and reliable delivery process
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Q1. SOLID Principles , .Net Core Concepts , Angular Concepts, OOPs , MSTest , XUNIT , MOQ , monolithic and Microservices architecture, Entity Framework Core, Performance enhancement of APIs and SPs, REST conce...read more
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Q2. Know the above to the deepest level possible.
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Q1. Same concepts mentioned above applied to the project you are working on currently.
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Q1. .net related question
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Q2. Coding based on string
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Q1. Difference between @requestbody and @responsebody
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Difference between @requestbody and @responsebody annotations in Spring MVC
• The @RequestBody annotation is used to bind the HTTP request body to a method parameter in Spring MVC controller

• The @ResponseBody annotation is used to bind the return value of a method to the HTTP response body in Spring MVC

• Example: @RequestBody User user - binds the request body to a User object parameter

• Example: @ResponseBody String hello() -...read more
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Q2. Some scenario based questions on Excepetion handling
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Q1. Java difference between Finally, Finalize
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Finally is a block of code that always executes, while Finalize is a method used for cleanup before an object is garbage collected.
• Finally block is used in exception handling to ensure certain code is always executed, regardless of whether an exception is thrown or not.

• Finalize method is called by the garbage collector before an object is reclaimed.

• Finally block is used in try-catch-finally blocks, while Finalize metho...read more
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Q2. Programming question - Find second largest string from a given sentence
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Find the second largest string from a given sentence
• Split the sentence into an array of strings

• Sort the array based on string length

• Return the second last element in the sorted array
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Q3. Difference between AWS cloud front and cloud formation
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AWS CloudFront is a content delivery network (CDN) service, while AWS CloudFormation is an infrastructure as code service.
• CloudFront is used to deliver content to end users with low latency and high data transfer speeds.

• CloudFormation is used to automate the deployment of infrastructure resources in a repeatable and predictable manner.

• CloudFront is a CDN service that caches content at edge locations to reduce latency, ...read more
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Q4. How to improve performance in react js ?
Ans. 
To improve performance in React JS, optimize rendering, minimize re-renders, use virtualization, lazy loading, code splitting, and memoization.
• Optimize rendering by using shouldComponentUpdate or React.memo for functional components

• Minimize re-renders by using PureComponent or memoization techniques like useMemo or useCallback

• Use virtualization for long lists or tables to render only the visible items

• Implement lazy loa...read more
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Q1. Talk about your experience and projects
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Q2. Salary range expectation
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