Accelirate RPA Developer Interview Questions and Answers

Q1. Design LLD for Parking Lot
Ans. 
Design LLD for Parking Lot
• Create classes for ParkingLot, ParkingSpot, Vehicle, etc.

• Implement methods for parking, unparking, checking availability, etc.

• Consider different types of vehicles and parking spots (e.g. regular, handicapped, electric)

• Include features like ticketing system, payment processing, and security measures
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What is OOPS concepts?

It was ok. I was not able to solve all the questions.

Q1. Remove the last element from a linkedlist
Ans. 
To remove the last element from a linked list, iterate to the second last node and update its next pointer to null.
• Iterate through the linked list to find the second last node

• Update the next pointer of the second last node to null
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Q2. Some basic questions on oops dbms and os
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Q1. Asked about technologies and coding
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Q2. Components in reactjs
Ans. 
Reactjs components are reusable, independent pieces of UI that can be composed together to build complex user interfaces.
• Components are the building blocks of a React application

• They can be class components or functional components

• Components can have their own state and lifecycle methods

• Components can be nested within other components to create a hierarchy

• Examples: Button component, Navbar component, UserList component
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Q3. Given url to fetch data from api
Ans. 
Use the url to make a request to the API and fetch data.
• Use a library like axios or fetch to make the HTTP request.

• Parse the response data to extract the necessary information.

• Handle any errors that may occur during the request.
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Q4. Cloud related scenerio questions
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Q1. How do you connect your code to database? what kind of Repository you use? Will group By work with without having
Ans. 
I connect my code to the database using a repository pattern. Group By can work without having an explicit repository.
• I use a repository pattern to abstract the database operations in my code.

• I typically use Entity Framework as my ORM to connect to the database.

• Group By can work without having an explicit repository by directly querying the database using LINQ or SQL.
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Q1. What is trigger Where is configuration available for you code
Ans. 
A trigger is a special type of stored procedure that is automatically executed when certain events occur in a database.
• Triggers are used to enforce business rules, perform auditing, and maintain data integrity.

• Configuration for triggers is typically available in the database management system where the trigger is created.

• Examples of trigger events include INSERT, UPDATE, and DELETE operations on a table.
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