Kelsa Interview Questions and Answers

Q1. Tell me about your self.
Ans. 
I am a QA Test Engineer with experience in testing software applications and ensuring their quality.
• Experienced in creating test plans, test cases, and test scripts

• Proficient in using testing tools and frameworks like Selenium and JUnit

• Skilled in identifying and reporting software defects

• Strong knowledge of software development life cycle (SDLC) and testing methodologies

• Collaborative team player with excellent communic
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Q2. How was your experience in previous company?
Ans. 
My experience in my previous company was highly valuable and rewarding.
• I worked as a QA Test Engineer for 3 years in a software development company.

• I was responsible for designing and executing test cases, identifying and reporting bugs, and ensuring the quality of the software.

• I collaborated with cross-functional teams to understand project requirements and provide feedback on usability and functionality.

• I actively pa...read more
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Q3. Tell something your technical skills.
Ans. 
I have strong technical skills in manual and automated testing, test case creation, defect tracking, and test reporting.
• Proficient in using testing tools like Selenium, JIRA, and TestRail

• Experience in creating and executing test cases for web and mobile applications

• Skilled in identifying and reporting defects and issues

• Ability to work in an Agile environment and collaborate with cross-functional teams
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Q1. Regression testing and Re-testing difference. Smoke testing and Sanity testing.
Ans. 
Regression testing verifies if changes have affected existing functionality. Re-testing checks if defects have been fixed. Smoke testing checks basic functionality. Sanity testing checks major functionality.
• Regression testing is done to ensure that changes made to the software do not affect existing functionality.

• Re-testing is done to check if defects found in previous testing have been fixed.

• Smoke testing is done to c...read more
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Q2. SDLC and STLC and Defect life cycle.
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Q3. Severity and Priority
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Q1. Why you left your previous company?
Ans. 
Seeking new challenges and growth opportunities.
• Looking for a company that aligns better with my career goals.

• Desire to work with new technologies and expand my skillset.

• Seeking a more collaborative and supportive work environment.

• Company downsizing or restructuring.

• Relocation or commute issues.

• Personal reasons or family commitments.
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Q2. Why you join with us?
Ans. 
I am joining with you because of your reputation in the industry and the opportunities for growth and learning.
• Reputation in the industry

• Opportunities for growth and learning
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Q1. Initial screening from teamware and next level of round of techies discussion from client team.
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Q1. SQL basic and moderate level questions
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Farmer's is the best

Q1. What are you doing farmer's
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Q2. What time do you think we should do it
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Q3. What are the dates are fine
Ans. 
The question is unclear and needs clarification.
• Can you please provide more context or rephrase the question?

• Are you asking about specific dates for a project or task?

• Do you need me to input dates into a system or database?
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Q1. What is you strength
Ans. My strengths are positive attitude, working well in team, sincere person
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Q2. What is your hobbies
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Q1. What is your short term goals
Ans. MY short term goals is gat a job in reputed company like yours company
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Q2. What is your Long term goals
Ans. MY long term goals is to achieve good position were l can build my career and help to organisation too
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Q3. We're you living now
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It consist of 16 questions, related to staffing and knowledge of tax terms of US.

Q1. Basic questions like introduction.
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Q2. Questions about staffing, sourcing and process involved in recruitment.
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Round duration - 105 minutes
Round difficulty - Medium

There were 3 problems .
One was easy but the other two were of medium level.

Q1. Aggressive Cows
Given an array of length ‘N’, where each element denotes the position of a stall. Now you have ‘N’ stalls and an integer ‘K’ which denotes the number of cows that are aggressive. To prevent...read more
Ans. 
The problem requires assigning aggressive cows to stalls in a way that maximizes the minimum distance between any two cows.
• Sort the array of stall positions in ascending order.

• Use binary search to find the largest minimum distance between cows.

• Check if it is possible to assign cows with this minimum distance by iterating through the sorted array.

• If it is possible, update the maximum distance and continue binary search ...read more
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Q2. Shortest path in an unweighted graph
The city of Ninjaland is analogous to the unweighted graph. The city has ‘N’ houses numbered from 1 to ‘N’ respectively and are connected by M bidirectional roads. If a...read more
Ans. 
The problem is to find the shortest path between two houses in an unweighted graph.
• The graph represents the city of Ninjaland with houses connected by roads.

• The input consists of the number of test cases, number of houses and roads, starting and ending house, and the roads between houses.

• The output is a vector of nodes representing the shortest path from the starting house to the ending house.

• If there are multiple shor...read more
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Q3. Count Set Bits
You are given a positive integer ‘N’. Your task is to find the total number of ‘1’ in the binary representation of all the numbers from 1 to N.
Since the count of ‘1’ can be huge, you are ...read more
Ans. 
The task is to count the total number of '1' in the binary representation of all numbers from 1 to N.
• Convert each number from 1 to N into its binary representation

• Count the number of '1' bits in each binary representation

• Sum up the counts of '1' bits for all numbers

• Return the sum modulo 1e9+7
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Round duration - 60 minutes
Round difficulty - Easy

The interviewer was very polite and straightforward. 
Firstly he introduced himself and then asked me to introduce myself and then he jumped to the coding problems.
After the coding problems, he asked some questions from the OS and DBMS.

Q1. Reverse Words In A String
You are given a string of length N. You need to reverse the string word by word. There can be multiple spaces between two words and there can be leading or trailing spaces but in ...read more
Ans. 
The task is to reverse the words in a given string, removing any leading or trailing spaces and replacing multiple spaces between words with a single space.
• Split the string into words using spaces as delimiters

• Reverse the order of the words

• Join the reversed words with a single space between them

• Remove any leading or trailing spaces
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Q2. Reverse List In K Groups
You are given a linked list of 'N' nodes and an integer 'K'. You have to reverse the given linked list in groups of size K i.e if the list contains x nodes numbered...read more
Ans. 
The task is to reverse a linked list in groups of size K.
• Iterate through the linked list in groups of size K

• Reverse each group using a helper function

• Connect the reversed groups to form the final reversed linked list
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Q3. OS Questions
What is seamaphores?
Types of seamaphores?
What is virtual memory?
Ans. 
Semaphores are synchronization tools used in operating systems to control access to shared resources.
• Semaphores are integer variables used to solve the critical section problem.

• They can be used to control access to shared resources in a multi-threaded or multi-process environment.

• There are two types of semaphores: binary semaphores and counting semaphores.

• Binary semaphores can have only two values: 0 and 1, and are use...read more
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Q4. DBMS Questions
What is Normalisation?
Types of normal forms and condtion for BCNF.
What are ACID Properties.
Ans. 
Normalization is the process of organizing data in a database to eliminate redundancy and improve data integrity.
• Normalization is used to minimize data redundancy and dependency.

• It involves dividing a database into two or more tables and defining relationships between them.

• The goal is to eliminate data anomalies and ensure data consistency.

• There are different normal forms, such as 1NF, 2NF, 3NF, and BCNF.

• BCNF (Boyce-Co...read more
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Round duration - 60 minutes
Round difficulty - Medium

The interviewer was very polite and straightforward, firstly he introduce himself and then ask me to introduce myself and then ask some ques on my projects and then he jumps to the coding problems.

Q1. Remove Consecutive Duplicates From String
You are given a string 'STR' consisting of lower and upper case characters. You need to remove the consecutive duplicates characters, and return the new st...read more
Ans. 
The task is to remove consecutive duplicate characters from a given string and return the new string.
• Iterate through the characters of the string

• Compare each character with the next character

• If they are the same, skip the next character

• If they are different, add the current character to the new string

• Return the new string
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Q2. Maximum Path Sum in the matrix
You have been given an N*M matrix filled with integer numbers, find the maximum sum that can be obtained from a path starting from any cell in the first row to any cell in th...read more
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The question asks to find the maximum sum that can be obtained from a path starting from any cell in the first row to any cell in the last row of a given matrix.
• Iterate through each cell in the first row and calculate the maximum sum path ending at that cell

• For each cell, calculate the maximum sum path ending at that cell by considering the three possible directions

• Store the maximum sum path ending at each cell in a se...read more
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Q1. Autocad 2D and 3D and quelty control
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Q2. Auto cad 2D&3D and Quietly Engineer
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Coding restt

GD

Q1. Interview questions asked related to domain
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