Paltech Interview Questions and Answers

Easy to crack it and you can solve

Q1. Introduce yourself
Ans. 
I am a dedicated SDET Engineer with a strong background in software testing and automation.
• Experienced in creating and executing test cases for web and mobile applications

• Proficient in using automation tools like Selenium and Appium

• Skilled in programming languages such as Java and Python

• Familiar with Agile methodologies and continuous integration practices
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Q2. Java related and dbms questions
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Q1. What is auto mapper,middleware, opps conceps
Ans. 
AutoMapper is a library for mapping objects, middleware is software that acts as a bridge between different systems, OOPs concepts are principles of object-oriented programming.
• AutoMapper is a popular object-to-object mapping library in .NET that helps to eliminate repetitive mapping code.

• Middleware in .NET is software that can handle requests and responses between a client and a server, providing additional functional...read more
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Q2. Reverse the string
Ans. 
Reverse a given string
• Use a loop to iterate through the characters of the string and build a new string in reverse order

• Alternatively, use built-in functions like Array.Reverse() in C#

• Consider edge cases like empty string or null input
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Q3. How to implement abstract classes
Ans. 
Abstract classes in C# provide a way to define common behavior for derived classes while allowing specific implementations.
• Use the 'abstract' keyword to define an abstract class.

• Abstract classes cannot be instantiated and can contain abstract methods that must be implemented by derived classes.

• Derived classes must provide implementations for all abstract methods.

• Abstract classes can also have non-abstract methods and p...read more
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Q1. Explain redux flow
Ans. 
Redux flow is a predictable state container for JavaScript apps.
• Actions are dispatched to the store

• Reducers specify how the state changes in response to actions

• State is updated immutably

• Components subscribe to the store to get updated state
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Q2. Why interceptor are used
Ans. 
Interceptors are used to intercept and manipulate HTTP requests and responses in web applications.
• Interceptors can be used for logging, authentication, error handling, caching, and modifying request/response headers.

• In Angular, interceptors are used to add authentication tokens to outgoing requests or handle errors globally.

• In Spring Boot, interceptors can be used to log incoming requests, validate input, or modify res...read more
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Q3. Coding question
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Q1. He Asked about my Pervious BA experience , What tools I used and focused more on Resume and The JD which i shared
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Q2. Tell about the BRS which i prepared
Ans. 
I prepared a Business Requirements Specification (BRS) document outlining the functional requirements of a new software system.
• Outlined the scope and objectives of the project

• Documented the specific functional requirements of the software

• Included use cases and user stories to illustrate how the system should work

• Collaborated with stakeholders to gather and validate requirements
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Q3. What is Difference Between UNION and UNION ALL
Ans. 
UNION combines and removes duplicates, UNION ALL combines without removing duplicates.
• UNION merges the result sets of two or more SELECT statements and removes duplicates

• UNION ALL merges the result sets of two or more SELECT statements without removing duplicates

• UNION is slower than UNION ALL as it involves removing duplicates

• Example: SELECT column1 FROM table1 UNION SELECT column1 FROM table2;

• Example: SELECT column1 F...read more
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Given assignment do Prepare a BRS and mockups

Q1. Interviewer was not interested to hire me so he came to interview and doing his work just to make me think he gave a RIDDLE which is like a Useless thing i can face in an Interview so i guess its a time wa...read more
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Q1. Problem solving
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Q2. Technical discussion
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Q1. Problem solving
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Q2. Technical questions
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Q1. .net core , node js , middlewares
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Q2. React js , angular js , loader in react and angular how to implement
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