Fivetran Engineer- Customer Support Interview Questions and Answers

1. Search in a row and column wise sorted matrix

Q1. 1. Web Fundamentals
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Q2. 2.Localstorage vs session storage
Ans. 
Localstorage stores data with no expiration date, while session storage stores data for one session only.
• Localstorage data persists even after the browser is closed, while session storage data is cleared when the session ends.

• Localstorage has a larger storage capacity compared to session storage.

• Localstorage data is accessible across different tabs and windows of the same browser, while session storage data is limited ...read more
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Data Structures and Algorithm

Q1. Low Level Design question about designing Redbus
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Q1. Minimum element in an array
Ans. 
Find the minimum element in an array of strings
• Iterate through the array and compare each element to find the minimum

• Use built-in functions like Math.min() or sort() to find the minimum

• Handle edge cases like empty array or array with only one element
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Q2. Reverse a linked list
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Reverse a linked list by changing the next pointers of each node
• Iterate through the linked list and change the next pointers to reverse the list

• Use three pointers - prev, current, and next to keep track of nodes

• Example: 1 -> 2 -> 3 -> 4 -> null, after reversing: 4 -> 3 -> 2 -> 1 -> null
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Q1. Java8 and multhithreading based questions
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Q2. 1 Leetcode easy question
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Q1. TDD based live coding and spring based question
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Q2. 1 leetcode medium question
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Q1. Salary negotiations and company fit based questions
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Q1. To do list design
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Q1. Project related
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Q1. Famous Java Questions like why string is immuatable and basics of OOPs.
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Q2. Easy to medium level DSA based on array and string.
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Q1. Project Related Questions
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Q2. Questions related to java 8 stream API
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Q1. Question related to basic recursion
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Q2. Top kafka interview questions
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