System Level Solutions Manual Testing Interview Questions and Answers

Q1. What is polymorphism
Ans. 
Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• It enables a single interface to be used for different data types or classes.

• Examples include method overloading and method overriding in object-oriented programming.
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Q2. Find missing number from nth number array.
Ans. 
Find missing number from nth number array.
• Iterate through the array and calculate the sum of all numbers

• Calculate the sum of numbers from 1 to n using the formula n*(n+1)/2

• Subtract the sum of array from the sum of numbers from 1 to n to find the missing number
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Q3. Explain inheritance and it types
Ans. 
Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
• Inheritance allows a class to reuse code from another class.

• Types of inheritance include single inheritance, where a class inherits from only one parent class, and multiple inheritance, where a class inherits from multiple parent classes.

• Example: Class B inherits from Class A, so Class B can access
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Q4. Find 2nd max elements from aaray
Ans. 
Find 2nd max element from array of strings
• Sort the array in descending order

• Skip the first element (max element)

• Return the second element
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It includes two DSA questions and some aptitude questions

Q1. Introduce yourself
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Q2. Give the maximum element at any point of time for after pop and push
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Q3. Reverse a string
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Q1. Bit manipulation and it's importance
Ans. 
Bit manipulation is the process of manipulating individual bits in a binary number.
• Efficient for tasks like setting, clearing, or toggling specific bits in a binary number

• Used in tasks like encryption, compression, and optimization algorithms

• Can be used to perform arithmetic operations like addition, subtraction, and multiplication
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Psuedo code based test

Q1. Coding question in any language of choice
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Q1. Multiple questions based on networking, OS, DSA, ML, puzzles and one coding question as well
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Q1. Interview with manager - combination of technical and behavioral
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Q1. Interview with Director - Technical theory questions based on networking
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Q1. No specific questions
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