Nxtra Data L1 Technical Support Engineer Interview Questions and Answers

There will be 3 coding questions. They are of medium and hard level.

Q1. Sort array consisting 0's 1's and 2's without inbuilt functions
Ans. 
Sort an array of 0's, 1's, and 2's without using inbuilt functions.
• Use three pointers to keep track of the last index of 0's, 1's, and 2's

• Iterate through the array and swap elements based on their value

• Continue until all elements are sorted
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Q1. Os cn related questions
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Q1. Java questions and general hr questions
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I had to evaluate a software and let them understand where this software could be implemented and the pros and cons of the software.

All coding questions were ad hoc

Q1. Leetcode questions were asked
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Q2. A question about cache memory was asked
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There are three sections: -
1. Quants
2. English
3. Reasoning
All sections are accessible medium but you have maintained the speed and accuracy.
after that coding snippet are in java/python.

Code snippets are there in coding sections.

Q1. What is Go Module?
Ans. 
Go Modules are a dependency management system for Go programming language, enabling versioning and isolation of packages.
• Introduced in Go 1.11 to manage dependencies more effectively.

• Allows developers to define module dependencies in a 'go.mod' file.

• Supports semantic versioning, making it easier to manage package versions.

• Modules can be versioned, allowing for reproducible builds.

• Example: 'module example.com/my/module'...read more
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Q2. What is difference between Goroutine and Thread.
Ans. 
Goroutines are lightweight, managed by Go runtime, while threads are OS-level, heavier, and managed by the OS.
• Goroutines are cheaper in terms of memory and resources compared to threads.

• Goroutines are multiplexed onto a smaller number of OS threads, allowing for efficient concurrency.

• Creating a goroutine is as simple as using the 'go' keyword, e.g., 'go myFunction()'.

• Threads require more overhead for creation and manag...read more
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