Decision Minds Senior Tableau Developer Interview Questions and Answers

Normal apti questions.

Q1. About you experience in previous organization.
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Round duration - 45 Minutes
Round difficulty - Hard

It was conducted in the evening on Teams call. It was a mix of DSA question, conceptual discussion on javascript and node.js.

Q1. 
All Paths From Source Lead To Destination Problem Statement
In a directed graph with 'N' nodes numbered from 0 to N-1, determine whether every possible path starting from a given source node (SRC) eventua...read more
Ans. 
Determine if all paths from a given source node lead to a specified destination node in a directed graph.
• Check if there is at least one path from source to destination.

• Ensure that nodes with no outgoing edges from source are the destination.

• Verify that the number of paths from source to destination is finite.

• Return True if all paths from source lead to destination, otherwise False.
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Round duration - 30 Minutes
Round difficulty - Medium

Round duration - 60 Minutes
Round difficulty - Medium

It was a hiring manager round which happened in the evening. The interviewer introduced me to the product I was being hired for, asked me a few questions on my experience (both technical and business). I talked on the architecture and design of Single page applications and my then current project. I was also allowed to ask questions and they were addressed.

Q1. Can you explain the architecture of your current project?
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Round duration - 30 Minutes
Round difficulty - Easy

It was in the evening. The interviewer was professional. I was asked about my past experiences, why I was switching and some behavioral questions.

Round duration - 60 minutes
Round difficulty - Medium

Q1. 
Reverse String Operations Problem Statement
You are provided with a string S and an array of integers A of size M. Your task is to perform M operations on the string as specified by the indices in array A...read more
Ans. 
Given a string and an array of indices, reverse substrings based on the indices to obtain the final string.
• Iterate through the array of indices and reverse the substrings accordingly

• Ensure the range specified by each index is non-empty

• Return the final string after all operations are completed
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Round duration - 30 minutes
Round difficulty - Easy

Q1. How do you come out of an iframe in Selenium?
Ans. 
To switch out of an iframe in Selenium, you can use the switchTo().defaultContent() method.
• Use driver.switchTo().defaultContent() to switch out of the iframe.

• If the iframe is nested within multiple iframes, use driver.switchTo().parentFrame() to navigate up the iframe hierarchy.

• You can also switch to a specific iframe by using driver.switchTo().frame() with the iframe element or index.
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Round duration - 30 minutes
Round difficulty - Easy

Q1. Why do you want to leave your current company?
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Q1. Prepare basics and and under why and what of any concept
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Q2. Be sure on what you answer, if not sure be sure on the answer you provide
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Q1. Scenario based python and SQL questions
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Q1. General discussion with manager
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