Vihar Exports Interview Questions and Answers

Q1. Tell me about yourself
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Q2. Internship Experience
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Q1. Advance Excel (Vlookup, Index, Countifs, sumifs and others)
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Q2. Python Basics (data frame, data types, lamda, series etc)
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Q3. SQL Functions (joins, limits, partitions, orders by and group by)
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Q4. 3rd round was managerial round, where mostly non-technicial questions asked.
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Q1. Excel and SQL based questions
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Q1. Python and project based questions
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50 question with gk and reasoning mcq

Q1. Introduction and prior exp
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Q1. Question about escalastions and ptoblem sovling
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Easy to medium, can solve with leetcode medium

Q1. Number of islands count
Ans. 
Count the number of islands in a grid of '1's and '0's
• Iterate through the grid and for each '1' encountered, perform a depth-first search to mark all connected '1's as visited

• Increment the island count for each new island found

• Ensure to handle boundary cases and check for visited nodes
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Q2. First and last index of a particular element in an array
Ans. 
Find the first and last index of a specific element in an array of strings.
• Iterate through the array and keep track of the index of the first and last occurrence of the element.

• Return the first and last index once the iteration is complete.

• Example: Array ['apple', 'banana', 'apple', 'orange'], element 'apple' - First index: 0, Last index: 2.
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Questions on python and SQL

Q1. With the hiring department
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With the AVP of company

Q1. DSA - level order traversal, sliding window.
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Q1. Atomic transaction in distributed system
Ans. 
Atomic transactions ensure that all operations in a transaction are completed successfully or none at all in a distributed system.
• Atomic transactions guarantee that all operations within a transaction are either all successful or all rolled back.

• In distributed systems, atomic transactions are crucial for maintaining data consistency across multiple nodes.

• ACID properties (Atomicity, Consistency, Isolation, Durability) a...read more
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Q1. Tell me about yourself
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Q2. Some technical questions
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