e-Zest Senior Automation Test Engineer Interview Questions, Process, and Tips

Q1. Explain about Agile process?
Ans. 
Agile process is a software development methodology that promotes adaptive planning, evolutionary development, early delivery, and continuous improvement.
• Iterative and incremental development

• Cross-functional teams

• Regular feedback and adaptation

• Customer collaboration

• Time-boxed iterations (sprints)

• Continuous integration and testing
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Q2. What is spark? what is legacy defect? find the xpath of given example how will you run the 1 test case multiple times in testng? if the some task will take 8 hours but your manager said that you should com...read more
Ans. 
Spark is a fast and general-purpose cluster computing system. Legacy defect refers to a known issue in older versions of software. XPath is a way to navigate XML documents. TestNG allows running test cases multiple times. Approach to completing a task in less time involves prioritizing and optimizing.
• Spark is a cluster computing system for big data processing.

• Legacy defect is a known issue in older versions of software...read more
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Reverse a string, find the repetition of characters, Fibonacci series, selenium web elements handling. Organizational workflows.

Selenium web automation for a web demo page.

Q1. Explain datawindow in powerbuilder
Ans. 
DataWindow is a GUI control in PowerBuilder used to display and manipulate data from a database.
• DataWindow can be used to retrieve data from a database, display it in a tabular format, and allow users to edit the data.

• It supports various data sources such as SQL, ODBC, and XML.

• DataWindow can also be used to create reports and graphs.

• It provides various features such as sorting, filtering, grouping, and computed columns...read more
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Round duration - 45 minutes
Round difficulty - Medium

I was asked 2 coding questions, questions from my projects and questions related to different java concepts. One question from cloud computing was also asked.

Q1. 
Maximum Subarray Sum Problem Statement
Given an array arr of length N consisting of integers, find the sum of the subarray (including empty subarray) with the maximum sum among all subarrays.
Explanation...read more
Ans. 
Find the sum of the subarray with the maximum sum among all subarrays in a given array.
• Iterate through the array and keep track of the current sum and maximum sum seen so far.

• If the current sum becomes negative, reset it to 0 as it won't contribute to the maximum sum.

• Return the maximum sum as the result.

• Example: For input arr = [-2, 1, -3, 4, -1], the maximum subarray sum is 4.
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Q2. 
Add Two Numbers as Linked Lists
You are given two singly linked lists, where each list represents a positive number without any leading zeros.
Your task is to add these two numbers and return the sum as ...read more
Ans. 
Add two numbers represented as linked lists and return the sum as a linked list.
• Traverse both linked lists simultaneously while keeping track of carry

• Create a new linked list to store the sum

• Handle cases where one list is longer than the other

• Consider edge cases like carry at the end of addition
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Round duration - 15 minutes
Round difficulty - Easy

It was a normal discussion about the role, the job expectations and about the company culture.