DXC Technology Senior QA Engineer Interview Questions and Answers

Coding questions with MCQs and 2 programming

Q1. Questions on Java, OOPS, Maven, TestNG, Manual Testing
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60 mins aptitude and reasoning questions with Java syntax’s related questions

Basic selenium automation coding question and QA related MCQs

Q1. Core java and selenium and Qs related to Leading the QA team
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Q2. Count duplicates in a string
Ans. 
Count duplicates in a string
• Iterate through the string and store each character in a hashmap with its count

• Return the count of characters with count greater than 1
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Q3. Write a Program to Sort Array
Ans. 
Program to sort array of strings
• Use a sorting algorithm like bubble sort, selection sort, or merge sort

• Compare strings using strcmp() function in C or compareTo() method in Java

• Handle edge cases like empty array or array with only one element
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Q4. Selenium Commands
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Q1. Salary Negotiation
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Q1. Explain About your project
Ans. 
Developed a web application for online shopping with focus on user experience and security.
• Used Selenium for automated testing of UI functionalities

• Implemented API testing using Postman

• Performed security testing to identify vulnerabilities

• Collaborated with developers to ensure quality code delivery
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Q2. What is the recent issues you faced and how you solved.
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Q1. Selenium framework level questions
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Q2. ETL questions & Data warehouse concepts
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Q3. Functional/ manual testing related questions
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Q1. Few technical questions & generic questions
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Q2. CTC & Experience & expected CTC & Notice period, etc
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Q1. Basic Selenium Java questions and current roles and responsibilities.
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Q1. Hashmap implementation
Ans. 
Hashmap is a data structure that stores key-value pairs and allows for fast retrieval of values based on keys.
• Hashmap is implemented using an array of linked lists or buckets to handle collisions.

• Each key is hashed to determine its index in the array.

• Common operations include put(key, value), get(key), and remove(key).

• Example: HashMap map = new HashMap<>(); map.put("apple", 5); int value = map.get("app
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Q2. Difference between getWindowHandles and getWindowHandle
Ans. 
getWindowHandles returns all open window handles, getWindowHandle returns handle of current window
• getWindowHandles returns a set of all window handles currently open in the browser

• getWindowHandle returns the handle of the current window being focused on

• Example: driver.getWindowHandles() vs driver.getWindowHandle()
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Q1. All possible questions from SDH
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Q2. All possible questions from DWDM, OTN and Ethernet.
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