DE Shaw Softwaretest Engineer Interview Questions and Answers

Q1. About oops, constructor,
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Q2. Spring boot, hibernate questions
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Q1. What is difference between retesting and regression testing
Ans. 
Retesting is testing the same functionality again to ensure the defect is fixed, while regression testing is testing the whole application to ensure new changes do not affect existing functionality.
• Retesting focuses on verifying that a specific defect has been fixed.

• Regression testing focuses on ensuring that new changes do not impact existing functionality.

• Retesting is usually performed by the tester who found the def...read more
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Q2. What is difference between system testing and system integration testing
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System testing focuses on testing the entire system as a whole, while system integration testing focuses on testing the interactions between integrated components.
• System testing ensures that the entire system meets the specified requirements and functions correctly.

• System integration testing focuses on testing the interfaces and interactions between integrated components to ensure they work together seamlessly.

• System t...read more
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Q1. What are qa deliverables
Ans. 
QA deliverables are the tangible work products produced by the QA team during the software testing process.
• Test plans

• Test cases

• Test scripts

• Defect reports

• Test summary reports
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Q2. What are pre requisites of api testing
Ans. 
Pre requisites of API testing include understanding of API documentation, knowledge of HTTP methods, familiarity with testing tools.
• Understanding of API documentation

• Knowledge of HTTP methods (GET, POST, PUT, DELETE)

• Familiarity with testing tools like Postman or SoapUI

• Ability to write test cases for API endpoints

• Understanding of status codes and response formats
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Aptitude questions were industry standard

No actual codes were given
We just had to find the outcomes to the codes we had to answer.

Q1. Oops concept in python.
Ans. 
Oops concept in Python refers to Object-Oriented Programming principles like inheritance, encapsulation, polymorphism, and abstraction.
• Python supports object-oriented programming (OOP) concepts like classes, objects, inheritance, encapsulation, and polymorphism.

• Inheritance allows a class to inherit attributes and methods from another class.

• Encapsulation restricts access to certain components of an object, preventing di...read more
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Q2. C project on bank management system details
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Q1. Family background
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Q2. Biggest regret in college l8fe
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They have asked bunch of question from java, which i have told o am not aware about

Q1. What is Binary trees,
Ans. 
Binary trees are hierarchical data structures composed of nodes, where each node has at most two children.
• Consists of nodes with at most two children - left and right

• Each node can have zero, one, or two children

• Used in data structures like binary search trees and binary heaps
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Q2. What are expection handling in pyhton
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Exception handling in Python is a way to handle errors that occur during the execution of a program.
• Use try-except blocks to catch and handle exceptions

• Different types of exceptions can be handled separately

• Use finally block to execute code regardless of whether an exception occurred or not
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Q3. Write a SQL quesries
Ans. 
SQL query to retrieve employee names and their salaries from a table
• Use SELECT statement to retrieve data

• Specify the columns you want to retrieve (employee names and salaries)

• Specify the table name from which you want to retrieve data
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Q1. Java program for prime no
Ans. 
Java program to check if a number is prime or not
• Create a function to check if a number is prime or not

• Iterate from 2 to n/2 and check if n is divisible by any number

• If n is divisible by any number, it is not prime

• If n is not divisible by any number, it is prime
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Q2. Dynamic web table element program
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A dynamic web table element program involves identifying and interacting with elements in a table that change dynamically.
• Identify the table element using unique identifiers like class or id

• Use Selenium WebDriver to locate and interact with the table element

• Handle dynamic changes in the table by using dynamic XPath or CSS selectors

• Iterate through rows and columns to extract data or perform actions
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Q1. What is array and tell array methods
Ans. 
An array is a data structure that stores a collection of elements of the same type in a contiguous memory location.
• Array methods include push() - adds an element to the end of the array

• Array methods also include pop() - removes the last element from the array

• Other array methods are shift() - removes the first element, and unshift() - adds an element to the beginning

• Array methods like splice() - adds or removes elements...read more
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Q2. What is object and tell how its work in js
Ans. 
An object in JavaScript is a collection of key-value pairs that represent a real-world entity or concept.
• Objects are used to store data and functions together.

• Properties in an object are accessed using dot notation or bracket notation.

• Objects can be created using object literals or constructor functions.
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Q1. Asked few Python and AWS related questions.
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Q1. Sql. Questions group by having and joins
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Q2. Datawarehousing and etl concepts
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