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Mastree QA Engineer Interview Questions and Answers

Updated 24 May 2021

Mastree QA Engineer Interview Experiences

1 interview found

QA Engineer Interview Questions & Answers

user image Anonymous

posted on 21 May 2021

Interview Questionnaire 

1 Question

  • Q1. Tell me about Your self

Interview questions from similar companies

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Polymorphism real time example
  • Ans. 

    Polymorphism is the ability of an object to take on many forms. A real-time example is a Shape class with different subclasses like Circle, Square, and Triangle.

    • Polymorphism allows objects of different classes to be treated as objects of a common superclass.

    • It enables code reusability and flexibility in object-oriented programming.

    • For example, a Shape class can have a draw() method that is overridden by its subclasses ...

  • Answered by AI
Round 2 - Technical 

(2 Questions)

  • Q1. Authentication and authorisation difference
  • Ans. 

    Authentication verifies the identity of a user, while authorization determines what actions they can perform.

    • Authentication confirms the user's identity through credentials like username and password.

    • Authorization grants or denies access to specific resources or actions based on the user's authenticated identity.

    • Authentication precedes authorization in the security process.

    • Example: Logging into a website with a usernam...

  • Answered by AI
  • Q2. One coding questions
Round 3 - Technical 

(1 Question)

  • Q1. One aptitude questions
Round 4 - HR 

(1 Question)

  • Q1. How much salary expected

Interview Preparation Tips

Interview preparation tips for other job seekers - Do your best
Interview experience
3
Average
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Mar 2023. There were 4 interview rounds.

Round 1 - Coding Test 

Coding Test consist of 3 coding question, 2 sql questions and 10 output question.

Round 2 - One-on-one 

(1 Question)

  • Q1. Project written on CV, Java questions, Scenario based question and 2 coding question 1. palindrome and string question.
Round 3 - Technical 

(2 Questions)

  • Q1. Panel of 5 , with company CT0, Backend Manager, Android Team Manager and 2 more people. Java question based on String, Java, Scenario based question on testing like, coffee machine, lift, Water bottle, Pa...
  • Q2. Geeksforgeeks puzzle question 2, Aptitude question based on Probalility.
Round 4 - HR 

(2 Questions)

  • Q1. With HR and QA Team Manager
  • Q2. Aptitude and puzzle question. why you want to join company, what are your strengths and weakness, hobbies. Salary Discussion

I applied via LinkedIn and was interviewed before May 2021. There were 2 interview rounds.

Round 1 - One-on-one 

(4 Questions)

  • Q1. Difference between var, let, const.
  • Ans. 

    var, let, and const are all used to declare variables in JavaScript, but they have different scoping rules and behaviors.

    • var has function scope and can be redeclared and reassigned

    • let has block scope and can be reassigned but not redeclared

    • const has block scope and cannot be reassigned or redeclared

    • Use const for values that won't change, let for values that will, and avoid var

  • Answered by AI
  • Q2. Explain CSS box model. Do padding and margin apply to inline elements?
  • Ans. 

    CSS box model defines the layout of elements on a webpage. Padding and margin can apply to block-level elements but not to inline elements.

    • CSS box model consists of content, padding, border, and margin around an element.

    • Padding adds space inside the border of an element.

    • Margin adds space outside the border of an element.

    • Padding and margin can apply to block-level elements like <div> but not to inline elements lik

  • Answered by AI
  • Q3. Difference between arrow functions and regular ones.
  • Ans. 

    Arrow functions are shorter syntax for writing function expressions.

    • Arrow functions do not have their own 'this' keyword.

    • Arrow functions cannot be used as constructors.

    • Arrow functions do not have the 'arguments' object.

    • Arrow functions are more concise and easier to read.

    • Regular functions are better for methods and constructors.

  • Answered by AI
  • Q4. How does JavaScript asynchronous model work
  • Ans. 

    JavaScript asynchronous model allows non-blocking code execution by using callbacks and promises.

    • JavaScript uses an event loop to handle asynchronous operations.

    • Callbacks are functions passed as arguments to other functions and executed when the operation is complete.

    • Promises are objects that represent the eventual completion or failure of an asynchronous operation.

    • Async/await is a newer syntax that allows writing asyn...

  • Answered by AI
Round 2 - Technical 

Interview Preparation Tips

Interview preparation tips for other job seekers - Be thorough in HTML DOM traversal concepts, CSS box model and vanilla Javascript fundamentals like closure,

Skills evaluated in this interview

I applied via Job lever and was interviewed before Sep 2021. There were 2 interview rounds.

Round 1 - Coding Test 

Easy leetcode code 2 questions , HTML5 css javascript simple screen design

Round 2 - One-on-one 

(1 Question)

  • Q1. Oop, Simple coding javascript, react basic, sql basic

Interview Preparation Tips

Interview preparation tips for other job seekers - Take it easy and go with confidence which matters most
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Properly align and format text in your resume. A recruiter will have to spend more time reading poorly aligned text, leading to high chances of rejection.
View all tips
Round 2 - Technical 

(1 Question)

  • Q1. Tell Me About MS Office?
Round 3 - HR 

(1 Question)

  • Q1. Why You Choose Physicwallah in Academic Field?

I was interviewed before May 2021.

Round 1 - Video Call 

(2 Questions)

Round duration - 60 Minutes
Round difficulty - Easy

It was an coding round

  • Q1. 

    The Skyline Problem

    Compute the skyline of given rectangular buildings in a 2D city, eliminating hidden lines and forming the outer contour of the silhouette when viewed from a distance. Each building is ...

  • Ans. 

    Compute the skyline of given rectangular buildings in a 2D city, eliminating hidden lines and forming the outer contour of the silhouette.

    • Iterate through the buildings and create a list of critical points (x, y) where the height changes.

    • Sort the critical points based on x-coordinate and process them to form the skyline.

    • Merge consecutive horizontal segments of equal height into one to ensure no duplicates.

    • Return the fin...

  • Answered by AI
  • Q2. 

    Rat in a Maze Problem Statement

    You need to determine all possible paths for a rat starting at position (0, 0) in a square maze to reach its destination at (N-1, N-1). The maze is represented as an N*N ma...

  • Ans. 

    Find all possible paths for a rat in a maze from source to destination.

    • Use backtracking to explore all possible paths in the maze.

    • Keep track of visited cells to avoid revisiting them.

    • Recursively try moving in all directions (up, down, left, right) until reaching the destination.

    • Return a list of strings representing valid paths sorted in alphabetical order.

  • Answered by AI
Round 2 - HR 

Round duration - 30 Minutes
Round difficulty - Easy

It was an HR round with some general questions. it was just for formality.

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAupgrad interview preparation:Topics to prepare for the interview - Data Structures, Pointers, OOPS, System Design, Algorithms, Dynamic ProgrammingTime required to prepare for the interview - 3 MonthsInterview preparation tips for other job seekers

Tip 1 : Stay focused
Tip 2 : Practice coding questions.
Tip 3 : View previous interviews of the companies

Application resume tips for other job seekers

Tip 1 : Don't lie on resume
Tip 2 : Just write in format that is catchy

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
-
Process Duration
Less than 2 weeks
Result
No response

I applied via Walk-in and was interviewed in Jun 2024. There was 1 interview round.

Round 1 - Aptitude Test 

Python technical SQL basic

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Jul 2023. There were 2 interview rounds.

Round 1 - Assignment 

Basic project to fetch github user details and show it.

Round 2 - Technical 

(3 Questions)

  • Q1. What are promises?
  • Ans. 

    Promises are commitments made by one party to another, ensuring that a certain action or outcome will be delivered.

    • Promises involve a commitment to fulfill a specific task or obligation

    • They are often made between individuals, organizations, or parties in a contract

    • Breaking a promise can lead to trust issues and negative consequences

    • Examples include promising to meet a deadline, keep a secret, or repay a debt

  • Answered by AI
  • Q2. What is the use of cors.
  • Ans. 

    CORS (Cross-Origin Resource Sharing) is a mechanism that allows resources on a web page to be requested from another domain outside the domain from which the resource originated.

    • CORS is used to enable secure cross-origin requests in web browsers.

    • It allows servers to specify who can access their resources.

    • CORS is implemented using HTTP headers like Access-Control-Allow-Origin.

    • It helps prevent cross-site request forgery ...

  • Answered by AI
  • Q3. Output questions based on hoisting, closures and promises

Interview Preparation Tips

Interview preparation tips for other job seekers - Make ur basics strong output questions are trickey

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed in Feb 2024. There was 1 interview round.

Round 1 - HR 

(1 Question)

  • Q1. Basic details about me and my previous job profile.

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident about your role and responsibilities.

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