Embitel Technologies Test Engineer Interview Questions and Answers

Round duration - 40 minutes
Round difficulty - Medium

Asked about time complexity of algorithm, puzzles, DBMS, cutting edge technologies etc. What are indexes?

Q1. 
Flip Bits Problem Explanation
Given an array of integers ARR of size N, consisting of 0s and 1s, you need to select a sub-array and flip its bits. Your task is to return the maximum count of 1s that can b...read more
Ans. 
Given an array of 0s and 1s, find the maximum count of 1s by flipping a sub-array at most once.
• Iterate through the array and keep track of the maximum count of 1s obtained by flipping a sub-array.

• Consider flipping a sub-array from index i to j and calculate the count of 1s in the resulting array.

• Return the maximum count of 1s obtained by flipping a sub-array at most once.
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Round duration - 20 minutes
Round difficulty - Medium

Asked 1 standard algorithm

Q1. 
Number of Islands Problem Statement
You are provided with a 2-dimensional matrix having N rows and M columns, containing only 1s (land) and 0s (water). Your goal is to determine the number of islands in t...read more
Ans. 
Count the number of islands in a 2D matrix of 1s and 0s.
• Iterate through the matrix and perform depth-first search (DFS) to find connected 1s.

• Mark visited cells to avoid redundant traversal.

• Increment island count whenever a new island is encountered.
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Q1. Proctored MCQ test
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Technical interview where DSA questions were asked

Q1. Manegerial round
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Q1. One on one HR round at the end
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Q1. What is difference between controller and rest controller
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Q2. Coding question to print highest salary of a employee
Ans. 
Print highest salary of an employee using coding
• Create an array of employee salaries

• Sort the array in descending order

• Print the first element of the sorted array as the highest salary
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Q3. Java 8 features
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Q4. What is jwt token
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Q5. Microservice how to interact with other microservice
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Q1. Springboot notations
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Q2. How to handle multiple request on springboot
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Q1. Core java basic questions
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Aptitude+coding was asked. Consider this as the very important selection criteria

Design test . Its very likely to be easy

Q1. Technical +HR was the last round. 1. Asked about SAP. 2.Basic python and oops concepts. 3.What does incture do 4. Will you accept any role we assign 5. How will your mechanical degree help us
Ans. Tell you are willing to later in training period you can request them to change your roles
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Q2. Why did you shift to mechanical
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Q3. Be specific about this answer
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